diff --git a/CHANGELOG.md b/CHANGELOG.md
index 900f2f3..c69999d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 ### Added
+- add extra unicode data from supplementary panes [#12](https://github.com/ghostflyby/PinIn/pull/12)
 
 ### Changed
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 5265f09..da9c58f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "dev.ghostflyby"
-version = "1.7.1"
+version = "1.7.2"
 
 repositories {
     mavenCentral()
diff --git a/src/main/java/me/towdium/pinin/DictLoader.java b/src/main/java/me/towdium/pinin/DictLoader.java
index 203878d..4234ffc 100644
--- a/src/main/java/me/towdium/pinin/DictLoader.java
+++ b/src/main/java/me/towdium/pinin/DictLoader.java
@@ -22,17 +22,6 @@ interface CodePointConsumer {
     class Default implements DictLoader {
         @Override
         public void load(BiConsumer<Character, String[]> feed) {
-            if (feed == null) return;
-            loadInternal(feed, null);
-        }
-
-        @Override
-        public void loadCodePoints(CodePointConsumer feed) {
-            if (feed == null) return;
-            loadInternal(null, feed);
-        }
-
-        private void loadInternal(BiConsumer<Character, String[]> charFeed, CodePointConsumer codePointFeed) {
             InputStream is = PinIn.class.getResourceAsStream("data.txt");
             if (is == null) return;
             try (BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
@@ -43,23 +32,38 @@ private void loadInternal(BiConsumer<Character, String[]> charFeed, CodePointCon
                     if (separator <= 0 || separator + 2 > line.length()) continue;
 
                     String[] records = line.substring(separator + 2).split(", ");
+
                     char first = line.charAt(0);
-                    if (Character.isHighSurrogate(first) && line.length() > 1) {
-                        char second = line.charAt(1);
-                        if (Character.isLowSurrogate(second)) {
-                            if (codePointFeed != null) {
-                                int codePoint = Character.toCodePoint(first, second);
-                                codePointFeed.accept(codePoint, records);
-                            }
-                            continue;
-                        }
-                    }
+                    feed.accept(first, records);
+
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+        }
 
-                    if (charFeed != null) charFeed.accept(first, records);
+        @Override
+        public void loadCodePoints(CodePointConsumer feed) {
+            InputStream is = PinIn.class.getResourceAsStream("extra.txt");
+            if (is == null) return;
+            try (BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
+                String line;
+                while ((line = br.readLine()) != null) {
+                    if (line.isEmpty()) continue;
+                    int separator = line.indexOf(':');
+                    if (separator <= 0 || separator + 2 > line.length()) continue;
+
+                    String[] code2records = line.split(": ");
+                    int code = code2records[0].codePointAt(0);
+                    String[] records = code2records[1].split(", ");
+                    feed.accept(code, records);
                 }
             } catch (IOException e) {
                 e.printStackTrace();
             }
+
         }
+
     }
 }
diff --git a/src/main/resources/me/towdium/pinin/extra.txt b/src/main/resources/me/towdium/pinin/extra.txt
new file mode 100644
index 0000000..1007c3e
--- /dev/null
+++ b/src/main/resources/me/towdium/pinin/extra.txt
@@ -0,0 +1,9 @@
+𬬻: lu2
+𬭊: du4
+𬭳: xi3
+𬭛: bo1
+𬭶: hei1
+𫟼: da2
+𬬭: lun2
+𫓧: fu1
+𫟷: li4
diff --git a/src/test/java/me/towdium/pinin/PinInTest.java b/src/test/java/me/towdium/pinin/PinInTest.java
index f13922a..d46a661 100644
--- a/src/test/java/me/towdium/pinin/PinInTest.java
+++ b/src/test/java/me/towdium/pinin/PinInTest.java
@@ -214,18 +214,20 @@ public void dictUnicodeExtended() {
         PinIn p = new PinIn();
         TreeSearcher<Integer> searcher = new TreeSearcher<>(CONTAIN, p);
         searcher.put("𫟼锭", 0);
-        assert !searcher.search("da2d").contains(0);
-        assert !p.contains("𫟼", "da2");
+        assert searcher.search("da2d").contains(0);
+        assert p.contains("𫟼", "da2");
+        assert !searcher.search("ta2d").contains(0);
+        assert !p.contains("𫟼", "ta2");
 
         p = new PinIn(new DictLoader.Default() {
             @Override
             public void loadCodePoints(CodePointConsumer feed) {
-                feed.accept("𫟼".codePointAt(0), new String[]{"da2"});
+                feed.accept("𫟼".codePointAt(0), new String[]{"ta2"});
             }
         });
         searcher = new TreeSearcher<>(CONTAIN, p);
         searcher.put("𫟼锭", 0);
-        assert searcher.search("da2d").contains(0);
-        assert p.contains("𫟼", "da2");
+        assert searcher.search("ta2d").contains(0);
+        assert p.contains("𫟼", "ta2");
     }
 }