diff --git a/java-api-examples/AddPunctuation.java b/java-api-examples/AddPunctuation.java
index a0e3878a0..5eeba4eb2 100644
--- a/java-api-examples/AddPunctuation.java
+++ b/java-api-examples/AddPunctuation.java
@@ -1,13 +1,13 @@
 // Copyright 2024 Xiaomi Corporation
 
-// This file shows how to use a punctuation model to text.
+// This file shows how to use a punctuation model to add punctuations to text.
 //
-// The modes supports both English and Chinese.
+// The model supports both English and Chinese.
 import com.k2fsa.sherpa.onnx.*;
 
 public class AddPunctuation {
   public static void main(String[] args) {
-    // please download model and test files from
+    // please download the model from
     // https://github.com/k2-fsa/sherpa-onnx/releases/tag/punctuation-models
     String model = "./sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12/model.onnx";
     OfflinePunctuationModelConfig modelConfig =
diff --git a/sherpa-onnx/csrc/offline-punctuation-ct-transformer-impl.h b/sherpa-onnx/csrc/offline-punctuation-ct-transformer-impl.h
index 4414a5a8f..9699563cb 100644
--- a/sherpa-onnx/csrc/offline-punctuation-ct-transformer-impl.h
+++ b/sherpa-onnx/csrc/offline-punctuation-ct-transformer-impl.h
@@ -9,6 +9,11 @@
 #include <utility>
 #include <vector>
 
+#if __ANDROID_API__ >= 9
+#include "android/asset_manager.h"
+#include "android/asset_manager_jni.h"
+#endif
+
 #include "sherpa-onnx/csrc/macros.h"
 #include "sherpa-onnx/csrc/math.h"
 #include "sherpa-onnx/csrc/offline-ct-transformer-model.h"
@@ -24,6 +29,12 @@ class OfflinePunctuationCtTransformerImpl : public OfflinePunctuationImpl {
       const OfflinePunctuationConfig &config)
       : config_(config), model_(config.model) {}
 
+#if __ANDROID_API__ >= 9
+  OfflinePunctuationCtTransformerImpl(AAssetManager *mgr,
+                                      const OfflinePunctuationConfig &config)
+      : config_(config), model_(mgr, config.model) {}
+#endif
+
   std::string AddPunctuation(const std::string &text) const override {
     if (text.empty()) {
       return {};
diff --git a/sherpa-onnx/csrc/offline-punctuation-impl.cc b/sherpa-onnx/csrc/offline-punctuation-impl.cc
index 730a25c8a..ed943fcc4 100644
--- a/sherpa-onnx/csrc/offline-punctuation-impl.cc
+++ b/sherpa-onnx/csrc/offline-punctuation-impl.cc
@@ -4,6 +4,11 @@
 
 #include "sherpa-onnx/csrc/offline-punctuation-impl.h"
 
+#if __ANDROID_API__ >= 9
+#include "android/asset_manager.h"
+#include "android/asset_manager_jni.h"
+#endif
+
 #include "sherpa-onnx/csrc/macros.h"
 #include "sherpa-onnx/csrc/offline-punctuation-ct-transformer-impl.h"