diff --git a/src/mnode/src/mnodeRead.c b/src/mnode/src/mnodeRead.c
index 200f589b7866d3fa6cf9865be397935657d7ba86..dadd8155d8648244dba762afec63bfc6f2ac3721 100644
--- a/src/mnode/src/mnodeRead.c
+++ b/src/mnode/src/mnodeRead.c
@@ -50,6 +50,9 @@ int32_t mnodeProcessRead(SMnodeMsg *pMsg) {
   if (!sdbIsMaster()) {
     SMnodeRsp *rpcRsp = &pMsg->rpcRsp;
     SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
+    if (!epSet) {
+      return TSDB_CODE_MND_OUT_OF_MEMORY;
+    }
     mnodeGetMnodeEpSetForShell(epSet, true);
     rpcRsp->rsp = epSet;
     rpcRsp->len = sizeof(SRpcEpSet);