diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 0d9292cc6bef98fec88cf6989d9e9a0e202e3da4..f6195ceee4681363bee3e68e26be0c84ddf8c180 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -712,15 +712,13 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_UDF_STOPPING                  TAOS_DEF_ERROR_CODE(0, 0x2901)
 #define TSDB_CODE_UDF_PIPE_READ_ERR             TAOS_DEF_ERROR_CODE(0, 0x2902)
 #define TSDB_CODE_UDF_PIPE_CONNECT_ERR          TAOS_DEF_ERROR_CODE(0, 0x2903)
-#define TSDB_CODE_UDF_PIPE_NO_PIPE              TAOS_DEF_ERROR_CODE(0, 0x2904)
+#define TSDB_CODE_UDF_PIPE_NOT_EXIST              TAOS_DEF_ERROR_CODE(0, 0x2904)
 #define TSDB_CODE_UDF_LOAD_UDF_FAILURE          TAOS_DEF_ERROR_CODE(0, 0x2905)
-#define TSDB_CODE_UDF_INVALID_STATE             TAOS_DEF_ERROR_CODE(0, 0x2906)
-#define TSDB_CODE_UDF_INVALID_INPUT             TAOS_DEF_ERROR_CODE(0, 0x2907)
-#define TSDB_CODE_UDF_NO_FUNC_HANDLE            TAOS_DEF_ERROR_CODE(0, 0x2908)
-#define TSDB_CODE_UDF_INVALID_BUFSIZE           TAOS_DEF_ERROR_CODE(0, 0x2909)
-#define TSDB_CODE_UDF_INVALID_OUTPUT_TYPE       TAOS_DEF_ERROR_CODE(0, 0x290A)
-#define TSDB_CODE_UDF_SCRIPT_NOT_SUPPORTED      TAOS_DEF_ERROR_CODE(0, 0x290B)
-#define TSDB_CODE_UDF_FUNC_EXEC_FAILURE         TAOS_DEF_ERROR_CODE(0, 0x290C)       
+#define TSDB_CODE_UDF_INVALID_INPUT             TAOS_DEF_ERROR_CODE(0, 0x2906)
+#define TSDB_CODE_UDF_INVALID_BUFSIZE           TAOS_DEF_ERROR_CODE(0, 0x2907)
+#define TSDB_CODE_UDF_INVALID_OUTPUT_TYPE       TAOS_DEF_ERROR_CODE(0, 0x2908)
+#define TSDB_CODE_UDF_SCRIPT_NOT_SUPPORTED      TAOS_DEF_ERROR_CODE(0, 0x2909)
+#define TSDB_CODE_UDF_FUNC_EXEC_FAILURE         TAOS_DEF_ERROR_CODE(0, 0x290A)
 
 // sml
 #define TSDB_CODE_SML_INVALID_PROTOCOL_TYPE     TAOS_DEF_ERROR_CODE(0, 0x3000)
diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index 8c8b99a6f804b2b7200e0641ca3d5bdb2660292c..6b70422ac8fe20bf8089eb8efba11ecc3c5e6ae5 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -1580,7 +1580,7 @@ int32_t udfcStartUvTask(SClientUvTaskNode *uvTask) {
     case UV_TASK_REQ_RSP: {
       uv_pipe_t *pipe = uvTask->pipe;
       if (pipe == NULL) {
-        code = TSDB_CODE_UDF_PIPE_NO_PIPE;
+        code = TSDB_CODE_UDF_PIPE_NOT_EXIST;
       } else {
         uv_write_t *write = taosMemoryMalloc(sizeof(uv_write_t));
         write->data = pipe->data;
@@ -1598,7 +1598,7 @@ int32_t udfcStartUvTask(SClientUvTaskNode *uvTask) {
     case UV_TASK_DISCONNECT: {
       uv_pipe_t *pipe = uvTask->pipe;
       if (pipe == NULL) {
-        code = TSDB_CODE_UDF_PIPE_NO_PIPE;
+        code = TSDB_CODE_UDF_PIPE_NOT_EXIST;
       } else {
         SClientUvConn *conn = pipe->data;
         QUEUE_INSERT_TAIL(&conn->taskQueue, &uvTask->connTaskQueue);
@@ -1759,9 +1759,6 @@ int32_t udfcRunUdfUvTask(SClientUdfTask *task, int8_t uvTaskType) {
 }
 
 int32_t doSetupUdf(char udfName[], UdfcFuncHandle *funcHandle) {
-  if (gUdfcProxy.udfcState != UDFC_STATE_READY) {
-    return TSDB_CODE_UDF_INVALID_STATE;
-  }
   SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
   task->errCode = 0;
   task->session = taosMemoryCalloc(1, sizeof(SUdfcUvSession));
@@ -1804,7 +1801,7 @@ int32_t callUdf(UdfcFuncHandle handle, int8_t callType, SSDataBlock *input, SUdf
   SUdfcUvSession *session = (SUdfcUvSession *)handle;
   if (session->udfUvPipe == NULL) {
     fnError("No pipe to udfd");
-    return TSDB_CODE_UDF_PIPE_NO_PIPE;
+    return TSDB_CODE_UDF_PIPE_NOT_EXIST;
   }
   SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
   task->errCode = 0;
@@ -1928,7 +1925,7 @@ int32_t doTeardownUdf(UdfcFuncHandle handle) {
   if (session->udfUvPipe == NULL) {
     fnError("tear down udf. pipe to udfd does not exist. udf name: %s", session->udfName);
     taosMemoryFree(session);
-    return TSDB_CODE_UDF_PIPE_NO_PIPE;
+    return TSDB_CODE_UDF_PIPE_NOT_EXIST;
   }
 
   SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 34b09761c816bfab88f53403ff328085ed0df7fb..bcfb09d0e4f65032b09a26f5364ae556a6c59325 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -581,11 +581,9 @@ TAOS_DEFINE_ERROR(TSDB_CODE_FUNC_DUP_TIMESTAMP,            "Duplicate timestamps
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_STOPPING,                   "udf is stopping")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_READ_ERR,              "udf pipe read error")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_CONNECT_ERR,           "udf pipe connect error")
-TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_NO_PIPE,               "udf no pipe")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_NOT_EXIST,               "udf no pipe")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_LOAD_UDF_FAILURE,           "udf load failure")
-TAOS_DEFINE_ERROR(TSDB_CODE_UDF_INVALID_STATE,              "udf invalid state")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_INVALID_INPUT,              "udf invalid function input")
-TAOS_DEFINE_ERROR(TSDB_CODE_UDF_NO_FUNC_HANDLE,             "udf no function handle")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_INVALID_BUFSIZE,            "udf invalid bufsize")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_INVALID_OUTPUT_TYPE,        "udf invalid output type")
 TAOS_DEFINE_ERROR(TSDB_CODE_UDF_SCRIPT_NOT_SUPPORTED,       "udf program language not supported")