diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 40c8ae559de1d84de6b7b78e02aa083f800ec974..5ac85f87f1a7f9055241cf8f813c75b9bc72f46a 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -6162,6 +6162,7 @@ static int32_t prepareStbStmt(
         if (0 != ret) {
             errorPrint("%s() LN%d, stmt_bind_param() failed! reason: %s\n",
                     __func__, __LINE__, taos_stmt_errstr(stmt));
+            free(bindArray);
             return -1;
         }
         // if msg > 3MB, break
@@ -6169,6 +6170,7 @@ static int32_t prepareStbStmt(
         if (0 != ret) {
             errorPrint("%s() LN%d, stmt_add_batch() failed! reason: %s\n",
                     __func__, __LINE__, taos_stmt_errstr(stmt));
+            free(bindArray);
             return -1;
         }