diff --git a/funasr/runtime/onnxruntime/src/ct-transformer.cpp b/funasr/runtime/onnxruntime/src/ct-transformer.cpp
index 30a18107b..2f7c0cd12 100644
--- a/funasr/runtime/onnxruntime/src/ct-transformer.cpp
+++ b/funasr/runtime/onnxruntime/src/ct-transformer.cpp
@@ -103,9 +103,10 @@ string CTTransformer::AddPunc(const char* sz_input)
         vector<string> WordWithPunc;
         for (int i = 0; i < InputStr.size(); i++)
         {
-            if (i > 0 && !(InputStr[i][0] & 0x80) && (i + 1) <InputStr.size() && !(InputStr[i+1][0] & 0x80))// �м��Ӣ�ģ�
+            #if (i > 0 && !(InputStr[i][0] & 0x80) && (i + 1) <InputStr.size() && !(InputStr[i+1][0] & 0x80))// �м��Ӣ�ģ�
+            if (i > 0 && !(InputStr[i-1][0] & 0x80) && !(InputStr[i][0] & 0x80))
             {
-                InputStr[i] = InputStr[i]+ " ";
+                InputStr[i] = " " + InputStr[i];
             }
             WordWithPunc.push_back(InputStr[i]);
 
@@ -187,4 +188,4 @@ vector<int> CTTransformer::Infer(vector<int32_t> input_data)
     return punction;
 }
 
-} // namespace funasr
\ No newline at end of file
+} // namespace funasr