diff --git a/source/client/inc/clientStmt.h b/source/client/inc/clientStmt.h
index e358ce37aa948ab08eb4658609693199556eb48a..c29361758dda67b079ca613651550c8d3ccb5ca8 100644
--- a/source/client/inc/clientStmt.h
+++ b/source/client/inc/clientStmt.h
@@ -28,18 +28,33 @@ typedef enum {
 
 typedef struct STscStmt {
   STMT_TYPE type;
-  int16_t  last;
-  STscObj* taos;
-  SSqlObj* pSql;
-  SMultiTbStmt mtb;
-  SNormalStmt normal;
+  //int16_t  last;
+  //STscObj* taos;
+  //SSqlObj* pSql;
+  //SMultiTbStmt mtb;
+  //SNormalStmt normal;
 
-  int numOfRows;
+  //int numOfRows;
 } STscStmt;
 
-#define SCH_ERR_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; return _code; } } while (0)
-#define SCH_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; } return _code; } while (0)
-#define SCH_ERR_JRET(c) do { code = c; if (code != TSDB_CODE_SUCCESS) { terrno = code; goto _return; } } while (0)
+#define STMT_ERR_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; return _code; } } while (0)
+#define STMT_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; } return _code; } while (0)
+#define STMT_ERR_JRET(c) do { code = c; if (code != TSDB_CODE_SUCCESS) { terrno = code; goto _return; } } while (0)
+
+TAOS_STMT *stmtInit(TAOS *taos);
+int stmtClose(TAOS_STMT *stmt);
+int stmtExec(TAOS_STMT *stmt);
+char *stmtErrstr(TAOS_STMT *stmt);
+int stmtAffectedRows(TAOS_STMT *stmt);
+int stmtBind(TAOS_STMT *stmt, TAOS_BIND *bind);
+int stmtPrepare(TAOS_STMT *stmt, const char *sql, unsigned long length);
+int stmtSetTbNameTags(TAOS_STMT *stmt, const char *name, TAOS_BIND *tags);
+int stmtIsInsert(TAOS_STMT *stmt, int *insert);
+int stmtGetParamNum(TAOS_STMT *stmt, int *nums);
+int stmtAddBatch(TAOS_STMT *stmt);
+TAOS_RES *stmtUseResult(TAOS_STMT *stmt);
+int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind);
+
 
 #ifdef __cplusplus
 }
diff --git a/source/client/src/clientMain.c b/source/client/src/clientMain.c
index e9d1ca0d24ad484d7517f86929a19e0870dfbe9b..84f9c7ac30042788a2d08b9321769638395db97a 100644
--- a/source/client/src/clientMain.c
+++ b/source/client/src/clientMain.c
@@ -16,6 +16,7 @@
 #include "catalog.h"
 #include "scheduler.h"
 #include "clientInt.h"
+#include "clientStmt.h"
 #include "clientLog.h"
 #include "os.h"
 #include "query.h"
@@ -560,7 +561,7 @@ int taos_load_table_info(TAOS *taos, const char *tableNameList) {
 
 TAOS_STMT *taos_stmt_init(TAOS *taos) {
   if (taos == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return NULL;
   }
@@ -570,7 +571,7 @@ TAOS_STMT *taos_stmt_init(TAOS *taos) {
 
 int taos_stmt_close(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -580,7 +581,7 @@ int taos_stmt_close(TAOS_STMT *stmt) {
 
 int taos_stmt_execute(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -590,7 +591,7 @@ int taos_stmt_execute(TAOS_STMT *stmt) {
 
 char *taos_stmt_errstr(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return NULL;
   }
@@ -600,7 +601,7 @@ char *taos_stmt_errstr(TAOS_STMT *stmt) {
 
 int taos_stmt_affected_rows(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return 0;
   }
@@ -610,7 +611,7 @@ int taos_stmt_affected_rows(TAOS_STMT *stmt) {
 
 int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND *bind) {
   if (stmt == NULL || bind == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -620,7 +621,7 @@ int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND *bind) {
 
 int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length) {
   if (stmt == NULL || sql == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -630,7 +631,7 @@ int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length) {
 
 int taos_stmt_set_tbname_tags(TAOS_STMT *stmt, const char *name, TAOS_BIND *tags) {
   if (stmt == NULL || name == NULL || tags == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -640,7 +641,7 @@ int taos_stmt_set_tbname_tags(TAOS_STMT *stmt, const char *name, TAOS_BIND *tags
 
 int taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name) {
   if (stmt == NULL || name == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -650,7 +651,7 @@ int taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name) {
 
 int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert) {
   if (stmt == NULL || insert == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -660,7 +661,7 @@ int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert) {
 
 int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) {
   if (stmt == NULL || nums == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -670,7 +671,7 @@ int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) {
 
 int taos_stmt_add_batch(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
@@ -680,9 +681,9 @@ int taos_stmt_add_batch(TAOS_STMT *stmt) {
 
 TAOS_RES *taos_stmt_use_result(TAOS_STMT *stmt) {
   if (stmt == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
-    return terrno;
+    return NULL;
   }
 
   return stmtUseResult(stmt);
@@ -690,7 +691,7 @@ TAOS_RES *taos_stmt_use_result(TAOS_STMT *stmt) {
 
 int taos_stmt_bind_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind) {
   if (stmt == NULL || bind == NULL) {
-    tscError("NULL parameter for %s", __FUNC__);
+    tscError("NULL parameter for %s", __FUNCTION__);
     terrno = TSDB_CODE_INVALID_PARA;
     return terrno;
   }
diff --git a/source/client/src/clientStmt.c b/source/client/src/clientStmt.c
index 2d8a48938192be0110420ddfe3f5686a962f88e8..8c4cff92514cc8c850c9a25458865c1741cf2045 100644
--- a/source/client/src/clientStmt.c
+++ b/source/client/src/clientStmt.c
@@ -1,6 +1,7 @@
 
 #include "clientInt.h"
 #include "clientLog.h"
+#include "clientStmt.h"
 #include "tdef.h"
 
 TAOS_STMT *stmtInit(TAOS *taos) {
@@ -46,3 +47,53 @@ TAOS_STMT *stmtInit(TAOS *taos) {
   return pStmt;
 }
 
+int stmtClose(TAOS_STMT *stmt) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtExec(TAOS_STMT *stmt) {
+  return TSDB_CODE_SUCCESS;
+}
+
+char *stmtErrstr(TAOS_STMT *stmt) {
+  return NULL;
+}
+
+int stmtAffectedRows(TAOS_STMT *stmt) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtBind(TAOS_STMT *stmt, TAOS_BIND *bind) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtPrepare(TAOS_STMT *stmt, const char *sql, unsigned long length) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtSetTbNameTags(TAOS_STMT *stmt, const char *name, TAOS_BIND *tags) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtIsInsert(TAOS_STMT *stmt, int *insert) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtGetParamNum(TAOS_STMT *stmt, int *nums) {
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtAddBatch(TAOS_STMT *stmt) {
+  return TSDB_CODE_SUCCESS;
+}
+
+TAOS_RES *stmtUseResult(TAOS_STMT *stmt) {
+  return NULL;
+}
+
+int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind) {
+  return TSDB_CODE_SUCCESS;
+}
+
+
+