diff --git a/Class Decompile.py b/Class Decompile.py
index 35e6689..23255b0 100644
--- a/Class Decompile.py	
+++ b/Class Decompile.py	
@@ -3,7 +3,7 @@
 import re
 import gc
 import os
-
+import concurrent.futures
 
 IGNORED_CLASS_PREFIXES = [
     'AFNetwork', 'AFHTTP', 'AFURL', 'AFSecurity',
@@ -44,8 +44,8 @@ def get_file_header(class_name):
 //  %s.m
 //
 //  Generated by Class Decompile.
-//  Repository is https://github.com/poboke/Class-Decompile
-//  Copyright © 2016 www.poboke.com. All rights reserved.
+//  Repository is https://github.com/erduoniba/Class-Decompile
+//  Copyright © 2024 www.poboke.com. All rights reserved.
 //
 
 @implementation %s
@@ -58,6 +58,13 @@ def get_file_footer():
 @end
 '''
 
+def write_to_file(file_path, codes):
+    with open(file_path, 'w', encoding='utf-8') as file:
+        file.write(codes)
+
+    del codes
+    gc.collect()
+    
 
 #pragma mark - Decompile
 
@@ -102,35 +109,37 @@ def start_decompile(input_class_name=None):
         classes.setdefault(class_name, []).append(procedure)
         total_count += 1
 
-    print 'total count :', total_count
+    print('total count :', total_count)
 
     current_count = 0
-    for class_name in classes:
-        print '\n***** %s *****'%(class_name)
-        codes = get_file_header(class_name)
-        procedures = classes[class_name]
-        for procedure in procedures:
-            current_count += 1
-            percent = (float(current_count) / total_count) * 100
-            print '%05.2f%%  |  %s'%(percent, procedure.label_name)
-            pseudo_code = procedure.decompile()
-            if not pseudo_code:
-                continue
-            match = re.match(r'.+return\s.+;', pseudo_code, re.DOTALL)
-            method_type = 'id' if match else 'void'
-            method_name = procedure.method_name%method_type
-            codes += '%s\n{\n%s}\n\n'%(method_name, pseudo_code)
-        codes += get_file_footer()
-
-        file_path = get_file_path(class_name)
-        with open(file_path, 'w') as file:
-            file.write(codes)
-
-        del codes
-        gc.collect()
+    with concurrent.futures.ThreadPoolExecutor() as executor:
+        futures = []
+        for class_name in classes:
+            print('\n***** %s *****'%(class_name))
+            codes = get_file_header(class_name)
+            procedures = classes[class_name]
+            for procedure in procedures:
+                current_count += 1
+                percent = (float(current_count) / total_count) * 100
+                print('%05.2f%%  |  %s'%(percent, procedure.label_name))
+                pseudo_code = procedure.decompile()
+                if not pseudo_code:
+                    continue
+                match = re.match(r'.+return\s.+;', pseudo_code, re.DOTALL)
+                method_type = 'id' if match else 'void'
+                method_name = procedure.method_name%method_type
+                codes += '%s\n{\n%s}\n\n'%(method_name, pseudo_code)
+            codes += get_file_footer()
+
+            file_path = get_file_path(class_name)
+            future = executor.submit(write_to_file, file_path, codes)
+            futures.append(future)
+
+        for future in concurrent.futures.as_completed(futures):
+            future.result()
 
     os.system('open "%s"'%(path))
-    print 'Done!'
+    print('Done!')
 
 
 document = Document.getCurrentDocument()
@@ -152,11 +161,11 @@ def start_decompile(input_class_name=None):
     message = 'Please input the class name:'
     input_class_name = document.ask(message)
     if input_class_name is None:
-        print 'Cancel decompile!'
+        print('Cancel decompile!')
     elif input_class_name == '':
-        print 'Class name can not be empty!'
+        print('Class name can not be empty!')
     else:
         start_decompile(input_class_name)
 elif button_index == 2:
-    print 'Cancel decompile!'
+    print('Cancel decompile!')