diff --git a/include/libs/qcom/query.h b/include/libs/qcom/query.h
index c8df40aedcaa2333f7153cebb94954e4d0e63587..b6f42eeee0ed23a98d595e03c786d9103feb6628 100644
--- a/include/libs/qcom/query.h
+++ b/include/libs/qcom/query.h
@@ -49,6 +49,10 @@ typedef struct STableComInfo {
   int32_t rowSize;       // row size of the schema
 } STableComInfo;
 
+typedef struct SIndexMeta {
+
+} SIndexMeta;
+
 /*
  * ASSERT(sizeof(SCTableMeta) == 24)
  * ASSERT(tableType == TSDB_CHILD_TABLE)
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 80a0b3554cf23434f4624f995d8bdf0c37a8ced1..08e0ac55d7ecbf1267d9962242c5c8acf59c2539 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -2349,6 +2349,9 @@ _return:
   CTG_API_LEAVE(code);
 }
 
+int32_t catalogUpdateVgEpSet(SCatalog* pCtg, const char* dbFName, int32_t vgId, SEpSet *epSet) {
+
+}
 
 int32_t catalogRemoveDB(SCatalog* pCtg, const char* dbFName, uint64_t dbId) {
   CTG_API_ENTER();
@@ -2394,6 +2397,9 @@ _return:
   CTG_API_LEAVE(code);
 }
 
+int32_t catalogGetIndexMeta(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, const SName* pTableName, const char *pIndexName, SIndexMeta** pIndexMeta) {
+
+}
 
 int32_t catalogGetTableMeta(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta) {
   CTG_API_ENTER();
@@ -2662,12 +2668,15 @@ _return:
 
 int32_t catalogGetQnodeList(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, SArray* pQnodeList) {
   CTG_API_ENTER();
-
+  
+  int32_t code = 0;
   if (NULL == pCtg || NULL == pRpc  || NULL == pMgmtEps || NULL == pQnodeList) {
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  //TODO
+  CTG_ERR_JRET(ctgGetQnodeListFromMnode(pCtg, pRpc, pMgmtEps, &pQnodeList));
+
+_return:
 
   CTG_API_LEAVE(TSDB_CODE_SUCCESS);
 }