diff --git a/src/client/src/tscParseLineProtocol.c b/src/client/src/tscParseLineProtocol.c
index 03dd51caa8c804f5c615ba98018e4a9c94e0b007..567f05a44d6782b5e355592a65db897a0efe39ae 100644
--- a/src/client/src/tscParseLineProtocol.c
+++ b/src/client/src/tscParseLineProtocol.c
@@ -1892,11 +1892,8 @@ int taos_insert_lines(TAOS* taos, char* lines[], int numLines) {
 
 cleanup:
   tscDebug("taos_insert_lines finish inserting %d lines. code: %d", numLines, code);
-  numPoints = taosArrayGetSize(lpPoints);
-  TAOS_SML_DATA_POINT* ppoints = TARRAY_GET_START(lpPoints);
-
   for (int i=0; i<numPoints; ++i) {
-    destroySmlDataPoint(ppoints+i);
+    destroySmlDataPoint(points+i);
   }
 
   taosArrayDestroy(lpPoints);