diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 0a97402bdb6538c28f555c015c79d1ff94dd5109..773506c5ae295e15afd04003fb83049ed1680e93 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -6163,6 +6163,7 @@ 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
@@ -6170,6 +6171,7 @@ 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;
         }