diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index 5587a39758..f6370be6f4 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -467,7 +467,7 @@ int32_t getUdfdPipeName(char* pipeName, int32_t size) {
     dnodeId[0] = '1';
   }
 #ifdef _WIN32
-  snprintf(pipeName, size, "%s.%x.%x.%s", UDF_LISTEN_PIPE_NAME_PREFIX,MurmurHash3_32(tsDataDir, strlen(tsDataDir)),taosGetSelfPthreadId(), dnodeId);
+  snprintf(pipeName, size, "%s.%x.%s", UDF_LISTEN_PIPE_NAME_PREFIX,MurmurHash3_32(tsDataDir, strlen(tsDataDir)), dnodeId);
 #else
   snprintf(pipeName, size, "%s/%s%s", tsDataDir, UDF_LISTEN_PIPE_NAME_PREFIX, dnodeId);
 #endif