fix: the role should be OFFLINE after mnode stopped

source/dnode/mnode/impl/src/mndDnode.c

@@ -256,7 +256,7 @@ int32_t mndGetDnodeSize(SMnode *pMnode) {
 
 bool mndIsDnodeOnline(SMnode *pMnode, SDnodeObj *pDnode, int64_t curMs) {
   int64_t interval = TABS(pDnode->lastAccessTime - curMs);
-  if (interval > 30000 * tsStatusInterval) {
+  if (interval > 5000 * tsStatusInterval) {
     if (pDnode->rebootTime > 0) {
       pDnode->offlineReason = DND_REASON_STATUS_MSG_TIMEOUT;
     }

source/dnode/mnode/impl/src/mndMnode.c

@@ -633,6 +633,7 @@ static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
   int32_t    cols = 0;
   SMnodeObj *pObj = NULL;
   char      *pWrite;
+  int64_t    curMs = taosGetTimestampMs();
 
   while (numOfRows < rows) {
     pShow->pIter = sdbFetch(pSdb, SDB_MNODE, pShow->pIter, (void **)&pObj);
@@ -648,11 +649,16 @@ static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, b1, false);
 
+    bool        online = mndIsDnodeOnline(pMnode, pObj->pDnode, curMs);
     const char *roles = NULL;
     if (pObj->id == pMnode->selfDnodeId) {
       roles = syncStr(TAOS_SYNC_STATE_LEADER);
     } else {
-      roles = syncStr(pObj->state);
+      if (!online) {
+        roles = "OFFLINE";
+      } else {
+        roles = syncStr(pObj->state);
+      }
     }
     char *b2 = taosMemoryCalloc(1, 12 + VARSTR_HEADER_SIZE);
     STR_WITH_MAXSIZE_TO_VARSTR(b2, roles, pShow->pMeta->pSchemas[cols].bytes);

tests/script/tsim/mnode/basic3.sim

@@ -110,6 +110,10 @@ print $data(1)[0] $data(1)[1] $data(1)[2]
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 print $data(3)[0] $data(3)[1] $data(3)[2] 
 
+if $data(2)[2] != OFFLINE then
+  goto step5
+endi
+
 sql show users
 if $rows != 2 then 
   return -1