diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 28f4c7b7d8..1284ce31b1 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -663,6 +663,8 @@ void metaHbToMnode(void* param, void* tmrId) {
   }
   tEncoderClear(&encoder);
 
+  taosArrayDestroy(hbMsg.pTaskStatus);
+
   SRpcMsg msg = {0};
   initRpcMsg(&msg, TDMT_MND_STREAM_HEARTBEAT, buf, tlen);
   msg.info.noResp = 1;