From a38532c909e84030f199cf3016030500267b4373 Mon Sep 17 00:00:00 2001
From: Leto_b <bingqian.bai@timecho.com>
Date: Wed, 25 Mar 2026 18:48:10 +0800
Subject: [PATCH] update python example code

---
 .../Programming-Python-Native-API_apache.md   | 44 ++++++++++---------
 .../Programming-Python-Native-API_timecho.md  | 44 ++++++++++---------
 .../Programming-Python-Native-API_apache.md   | 29 ++++++------
 .../Programming-Python-Native-API_timecho.md  | 29 ++++++------
 .../Programming-Python-Native-API_apache.md   | 44 ++++++++++---------
 .../Programming-Python-Native-API_timecho.md  | 44 ++++++++++---------
 .../Programming-Python-Native-API_apache.md   | 29 ++++++------
 .../Programming-Python-Native-API_timecho.md  | 29 ++++++------
 .../Programming-Python-Native-API_apache.md   | 44 ++++++++++---------
 .../Programming-Python-Native-API_timecho.md  | 44 ++++++++++---------
 .../Programming-Python-Native-API_apache.md   | 30 ++++++-------
 .../Programming-Python-Native-API_timecho.md  | 27 ++++++------
 .../Programming-Python-Native-API_apache.md   | 44 ++++++++++---------
 .../Programming-Python-Native-API_timecho.md  | 44 ++++++++++---------
 .../Programming-Python-Native-API_apache.md   | 30 ++++++-------
 .../Programming-Python-Native-API_timecho.md  | 27 ++++++------
 16 files changed, 294 insertions(+), 288 deletions(-)

diff --git a/src/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md b/src/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
index 568102fb5..1b1e629d4 100644
--- a/src/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
+++ b/src/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
@@ -338,11 +338,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -361,9 +362,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -374,9 +376,9 @@ if __name__ == "__main__":
 
 ## 4. Sample Code
 
-**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py).
+**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py).
 
-**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py).
+**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py).
 
 Here is an excerpt of the sample code:
 
@@ -427,9 +429,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -484,14 +486,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -500,9 +502,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md b/src/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
index 7149b6dc8..b9193eaaa 100644
--- a/src/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
+++ b/src/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
@@ -338,11 +338,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -361,9 +362,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -374,9 +376,9 @@ if __name__ == "__main__":
 
 ## 4. Sample Code
 
-**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py).
+**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py).
 
-**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py).
+**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py).
 
 Here is an excerpt of the sample code:
 
@@ -427,9 +429,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -484,14 +486,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -500,9 +502,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md b/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
index df5123d32..02b831655 100644
--- a/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
+++ b/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
@@ -33,9 +33,9 @@ First, download the package: `pip3 install apache-iotdb>=2.0`
 
 Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
-You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 (you need to add `import iotdb` in the head of the file)
 
@@ -194,9 +194,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -217,9 +217,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -547,11 +547,10 @@ username_ = "root"
 password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT * FROM root.*")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
 
 # Now you can work with the dataframe
@@ -571,8 +570,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "root")
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md b/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
index 9a0ba39cd..c5d95ffc0 100644
--- a/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
+++ b/src/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
@@ -33,9 +33,9 @@ First, download the package: `pip3 install apache-iotdb>=2.0`
 
 Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
-You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 (you need to add `import iotdb` in the head of the file)
 
@@ -194,9 +194,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -217,9 +217,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -547,11 +547,10 @@ username_ = "root"
 password_ = "TimechoDB@2021" //Before V2.0.6.x the default password is root 
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT * FROM root.*")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
 
 # Now you can work with the dataframe
@@ -571,8 +570,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "TimechoDB@2021") //Before V2.0.6.x the default password is root 
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md b/src/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
index 568102fb5..1b1e629d4 100644
--- a/src/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
+++ b/src/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
@@ -338,11 +338,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -361,9 +362,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -374,9 +376,9 @@ if __name__ == "__main__":
 
 ## 4. Sample Code
 
-**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py).
+**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py).
 
-**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py).
+**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py).
 
 Here is an excerpt of the sample code:
 
@@ -427,9 +429,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -484,14 +486,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -500,9 +502,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md b/src/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
index 7149b6dc8..b9193eaaa 100644
--- a/src/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
+++ b/src/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
@@ -338,11 +338,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -361,9 +362,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -374,9 +376,9 @@ if __name__ == "__main__":
 
 ## 4. Sample Code
 
-**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py).
+**Session** Example: You can find the full example code at [Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py).
 
-**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py).
+**Session Pool** Example: You can find the full example code at [SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py).
 
 Here is an excerpt of the sample code:
 
@@ -427,9 +429,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -484,14 +486,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -500,9 +502,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/UserGuide/latest/API/Programming-Python-Native-API_apache.md b/src/UserGuide/latest/API/Programming-Python-Native-API_apache.md
index df5123d32..02b831655 100644
--- a/src/UserGuide/latest/API/Programming-Python-Native-API_apache.md
+++ b/src/UserGuide/latest/API/Programming-Python-Native-API_apache.md
@@ -33,9 +33,9 @@ First, download the package: `pip3 install apache-iotdb>=2.0`
 
 Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
-You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 (you need to add `import iotdb` in the head of the file)
 
@@ -194,9 +194,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -217,9 +217,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -547,11 +547,10 @@ username_ = "root"
 password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT * FROM root.*")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
 
 # Now you can work with the dataframe
@@ -571,8 +570,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "root")
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/UserGuide/latest/API/Programming-Python-Native-API_timecho.md b/src/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
index 9a0ba39cd..c5d95ffc0 100644
--- a/src/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
+++ b/src/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
@@ -33,9 +33,9 @@ First, download the package: `pip3 install apache-iotdb>=2.0`
 
 Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
-You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 (you need to add `import iotdb` in the head of the file)
 
@@ -194,9 +194,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -217,9 +217,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -547,11 +547,10 @@ username_ = "root"
 password_ = "TimechoDB@2021" //Before V2.0.6.x the default password is root 
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT * FROM root.*")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
 
 # Now you can work with the dataframe
@@ -571,8 +570,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "TimechoDB@2021") //Before V2.0.6.x the default password is root 
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md b/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
index eaf45591b..8792f3ca3 100644
--- a/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
+++ b/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md
@@ -347,11 +347,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -370,9 +371,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -383,9 +385,9 @@ if __name__ == "__main__":
 
 ## 4. 示例代码
 
-Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py)
+Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py)
 
-SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py)
+SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/master/otdb-client/client-py/table_model_session_pool_example.py)
 
 ```Python
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -434,9 +436,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -491,14 +493,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -507,9 +509,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md b/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
index af1119b53..43bdfc3f7 100644
--- a/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
+++ b/src/zh/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md
@@ -347,11 +347,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -370,9 +371,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -383,9 +385,9 @@ if __name__ == "__main__":
 
 ## 4. 示例代码
 
-Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py)
+Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py)
 
-SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py)
+SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py)
 
 ```Python
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -434,9 +436,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -491,14 +493,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -507,9 +509,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md b/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
index 42bab4e64..9219ce9c0 100644
--- a/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
+++ b/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md
@@ -31,9 +31,9 @@
 
 注意：请勿使用高版本客户端连接低版本服务。
 
-您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 （您需要在文件的头部添加`import iotdb`）
 
@@ -198,9 +198,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -221,9 +221,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -546,13 +546,11 @@ username_ = "root"
 password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT ** FROM root")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
-
 # Now you can work with the dataframe
 df = ...
 ```
@@ -570,8 +568,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "root")
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md b/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
index dffad1211..d210cd396 100644
--- a/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md
@@ -31,9 +31,9 @@
 
 注意：请勿使用高版本客户端连接低版本服务。
 
-您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 （您需要在文件的头部添加`import iotdb`）
 
@@ -197,9 +197,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+      df = result.todf()
+      df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -220,9 +220,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+      df = result.todf()
+      df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -545,10 +545,9 @@ username_ = "root"
 password_ = "TimechoDB@2021" //V2.0.6.x 之前密码默认值为root
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT ** FROM root")
-
-# Transform to Pandas Dataset
-df = result.todf()
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
 
 session.close()
 
@@ -569,8 +568,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "TimechoDB@2021") //V2.0.6.x 之前密码默认值为root
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") as result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md b/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
index eaf45591b..8792f3ca3 100644
--- a/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
+++ b/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md
@@ -347,11 +347,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -370,9 +371,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -383,9 +385,9 @@ if __name__ == "__main__":
 
 ## 4. 示例代码
 
-Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py)
+Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py)
 
-SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py)
+SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/master/otdb-client/client-py/table_model_session_pool_example.py)
 
 ```Python
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -434,9 +436,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -491,14 +493,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -507,9 +509,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md b/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
index af1119b53..43bdfc3f7 100644
--- a/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
+++ b/src/zh/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md
@@ -347,11 +347,12 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
+
     session.close()
-    return df
 
 
 def get_data2():
@@ -370,9 +371,10 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("SHOW DATABASES") as session_data_set:
+        print(session_data_set.get_column_names())
+        while session_data_set.has_next():
+            print(session_data_set.next())
     session_pool.put_back(session)
     session_pool.close()
 
@@ -383,9 +385,9 @@ if __name__ == "__main__":
 
 ## 4. 示例代码
 
-Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_example.py)
+Session示例代码:[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_example.py)
 
-SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/table_model_session_pool_example.py)
+SessionPool示例代码:[SessionPool Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/table_model_session_pool_example.py)
 
 ```Python
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -434,9 +436,9 @@ def prepare_data():
 
     print("now the tables are:")
     # show result
-    res = session.execute_query_statement("SHOW TABLES")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("SHOW TABLES") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -491,14 +493,14 @@ def query_data():
     session = session_pool.get_session()
 
     print("get data from table0")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     print("get data from table1")
-    res = session.execute_query_statement("select * from table0")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("select * from table0") as res:
+        while res.has_next():
+            print(res.next())
 
     session.close()
 
@@ -507,9 +509,9 @@ def delete_data():
     session = session_pool.get_session()
     session.execute_non_query_statement("drop database db1")
     print("data has been deleted. now the databases are:")
-    res = session.execute_query_statement("show databases")
-    while res.has_next():
-        print(res.next())
+    with session.execute_query_statement("show databases") as res:
+        while res.has_next():
+            print(res.next())
     session.close()
 
 
diff --git a/src/zh/UserGuide/latest/API/Programming-Python-Native-API_apache.md b/src/zh/UserGuide/latest/API/Programming-Python-Native-API_apache.md
index 42bab4e64..9219ce9c0 100644
--- a/src/zh/UserGuide/latest/API/Programming-Python-Native-API_apache.md
+++ b/src/zh/UserGuide/latest/API/Programming-Python-Native-API_apache.md
@@ -31,9 +31,9 @@
 
 注意：请勿使用高版本客户端连接低版本服务。
 
-您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 （您需要在文件的头部添加`import iotdb`）
 
@@ -198,9 +198,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -221,9 +221,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+        df = result.todf()
+        df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -546,13 +546,11 @@ username_ = "root"
 password_ = "root"
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT ** FROM root")
-
-# Transform to Pandas Dataset
-df = result.todf()
-
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
+  
 session.close()
-
 # Now you can work with the dataframe
 df = ...
 ```
@@ -570,8 +568,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "root")
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") result:
+              print(result)
             session.close()
 ```
 
diff --git a/src/zh/UserGuide/latest/API/Programming-Python-Native-API_timecho.md b/src/zh/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
index dffad1211..d210cd396 100644
--- a/src/zh/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
+++ b/src/zh/UserGuide/latest/API/Programming-Python-Native-API_timecho.md
@@ -31,9 +31,9 @@
 
 注意：请勿使用高版本客户端连接低版本服务。
 
-您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
+您可以从这里得到一个使用该包进行数据读写的例子：[Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_example.py)
 
-关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)
+关于对齐时间序列读写的例子：[Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/master/iotdb-client/client-py/session_aligned_timeseries_example.py)
 
 （您需要在文件的头部添加`import iotdb`）
 
@@ -197,9 +197,9 @@ def get_data():
         ip, port_, username_, password_, use_ssl=use_ssl, ca_certs=ca_certs
     )
     session.open(False)
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+      df = result.todf()
+      df.rename(columns={"Time": "date"}, inplace=True)
     session.close()
     return df
 
@@ -220,9 +220,9 @@ def get_data2():
     wait_timeout_in_ms = 3000
     session_pool = SessionPool(pool_config, max_pool_size, wait_timeout_in_ms)
     session = session_pool.get_session()
-    result = session.execute_query_statement("select * from root.eg.etth")
-    df = result.todf()
-    df.rename(columns={"Time": "date"}, inplace=True)
+    with session.execute_query_statement("select * from root.eg.etth") as result:
+      df = result.todf()
+      df.rename(columns={"Time": "date"}, inplace=True)
     session_pool.put_back(session)
     session_pool.close()
 
@@ -545,10 +545,9 @@ username_ = "root"
 password_ = "TimechoDB@2021" //V2.0.6.x 之前密码默认值为root
 session = Session(ip, port_, username_, password_)
 session.open(False)
-result = session.execute_query_statement("SELECT ** FROM root")
-
-# Transform to Pandas Dataset
-df = result.todf()
+with session.execute_query_statement("SELECT ** FROM root") as result:
+  # Transform to Pandas Dataset
+  df = result.todf()
 
 session.close()
 
@@ -569,8 +568,8 @@ class MyTestCase(unittest.TestCase):
         with IoTDBContainer() as c:
             session = Session("localhost", c.get_exposed_port(6667), "root", "TimechoDB@2021") //V2.0.6.x 之前密码默认值为root
             session.open(False)
-            result = session.execute_query_statement("SHOW TIMESERIES")
-            print(result)
+            with session.execute_query_statement("SHOW TIMESERIES") as result:
+              print(result)
             session.close()
 ```