diff --git a/include/libs/catalog/catalog.h b/include/libs/catalog/catalog.h
index 050b9c904f..b04b4f5c8d 100644
--- a/include/libs/catalog/catalog.h
+++ b/include/libs/catalog/catalog.h
@@ -30,19 +30,19 @@ extern "C" {
 
 struct SCatalog;
 
-typedef struct SMetaReq {
+typedef struct SCatalogReq {
   char    clusterId[TSDB_CLUSTER_ID_LEN];
   SArray *pTableName;     // table full name
   SArray *pUdf;           // udf name
   bool    qNodeEpset;     // valid qnode
-} SMetaReq;
+} SCatalogReq;
 
-typedef struct SMetaData {
+typedef struct SCatalogRsp {
   SArray    *pTableMeta;  // tableMeta
   SArray    *pVgroupInfo; // vgroupInfo list
   SArray    *pUdfList;    // udf info list
   SEpSet    *pEpSet;      // qnode epset list
-} SMetaData;
+} SCatalogRsp;
 
 typedef struct STableComInfo {
   uint8_t numOfTags;      // the number of tags in schema
@@ -78,32 +78,45 @@ typedef struct STableMeta {
   SSchema        schema[];
 } STableMeta;
 
+typedef struct SCatalogCfg {
+
+} SCatalogCfg;
+
+
+int32_t catalogInit(SCatalog *cfg);
+
 /**
  * Catalog service object, which is utilized to hold tableMeta (meta/vgroupInfo/udfInfo) at the client-side.
  * There is ONLY one SCatalog object for one process space, and this function returns a singleton.
- * @param pMgmtEps
+ * @param clusterId
  * @return
  */
-struct SCatalog* getCatalogHandle(const SEpSet* pMgmtEps);
+struct SCatalog* catalogGetHandle(const char *clusterId);
 
 /**
  * Get the required meta data from mnode.
  * Note that this is a synchronized API and is also thread-safety.
  * @param pCatalog
+ * @param pMgmtEps
  * @param pMetaReq
  * @param pMetaData
  * @return
  */
-int32_t catalogGetMetaData(struct SCatalog* pCatalog, const SMetaReq* pMetaReq, SMetaData* pMetaData);
+int32_t catalogGetAllMeta(struct SCatalog* pCatalog, const SEpSet* pMgmtEps, const SCatalogReq* pCatalogReq, SCatalogRsp* pCatalogData);
+
+int32_t catalogRenewTableMeta(struct SCatalog* pCatalog, const SEpSet* pMgmtEps, const STableMeta* pTableMeta);
+
+int32_t catalogRenewAndGetTableMeta(struct SCatalog* pCatalog, const SEpSet* pMgmtEps, const STableMeta* pTableMeta, SCatalogRsp* pCatalogData);
+
 
 /**
- * Destroy catalog service handle
+ * Destroy catalog and relase all resources
  * @param pCatalog
  */
-void destroyCatalog(struct SCatalog* pCatalog);
+void catalogDestroy(void);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /*_TD_CATALOG_H_*/
\ No newline at end of file
+#endif /*_TD_CATALOG_H_*/
diff --git a/source/libs/catalog/inc/catalogInt.h b/source/libs/catalog/inc/catalogInt.h
index 5b50bbff4c..60cc1771e2 100644
--- a/source/libs/catalog/inc/catalogInt.h
+++ b/source/libs/catalog/inc/catalogInt.h
@@ -23,10 +23,14 @@ extern "C" {
 #include "catalog.h"
 
 typedef struct SCatalog {
-  void       *pMsgSender;   // used to send messsage to mnode to fetch necessary metadata
-  SHashObj   *pData;        // items cached for each cluster, the hash key is the cluster-id, returned by mgmt node
+
 } SCatalog;
 
+typedef struct SCatalogMgmt {
+  void       *pMsgSender;   // used to send messsage to mnode to fetch necessary metadata
+  SHashObj   *pMeta;        // items cached for each cluster, the hash key is the cluster-id, returned by mgmt node
+} SCatalogMgmt;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 08e2172adb..cd6e357f43 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -15,10 +15,18 @@
 
 #include "catalogInt.h"
 
-struct SCatalog* getCatalogHandle(const SEpSet* pMgmtEps) {
+SCatalogMgmt ctgMgmt = {0};
+
+
+int32_t catalogInit(SCatalog *cfg) {
+  ctgMgmt = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
+}
+
+
+struct SCatalog* catalogGetHandle(const char *clusterId) {
   return (struct SCatalog*) 0x1;
 }
 
-int32_t catalogGetMetaData(struct SCatalog* pCatalog, const SMetaReq* pMetaReq, SMetaData* pMetaData) {
+int32_t catalogGetAllMeta(struct SCatalog* pCatalog, const SEpSet* pMgmtEps, const SCatalogReq* pMetaReq, SCatalogRsp* pMetaData) {
   return 0;
 }
diff --git a/source/libs/parser/inc/parserInt.h b/source/libs/parser/inc/parserInt.h
index ca02165382..e040c21879 100644
--- a/source/libs/parser/inc/parserInt.h
+++ b/source/libs/parser/inc/parserInt.h
@@ -87,13 +87,13 @@ int32_t checkForInvalidExpr(SQueryStmtInfo* pQueryInfo, SMsgBuf* pMsgBuf);
  * @param msgBufLen
  * @return
  */
-int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SMetaReq* pMetaInfo, char* msg, int32_t msgBufLen);
+int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SCatalogReq* pMetaInfo, char* msg, int32_t msgBufLen);
 
 /**
  * Destroy the meta data request structure.
  * @param pMetaInfo
  */
-void qParserClearupMetaRequestInfo(SMetaReq* pMetaInfo);
+void qParserClearupMetaRequestInfo(SCatalogReq* pMetaInfo);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/parser/src/astValidate.c b/source/libs/parser/src/astValidate.c
index 7b6c423fb6..758b83d820 100644
--- a/source/libs/parser/src/astValidate.c
+++ b/source/libs/parser/src/astValidate.c
@@ -4077,8 +4077,8 @@ int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, SSqlInfo* pInfo, SQuer
   }
 #endif
 
-  SMetaReq req = {0};
-  SMetaData data = {0};
+  SCatalogReq req = {0};
+  SCatalogRsp data = {0};
 
   // TODO: check if the qnode info has been cached already
   req.qNodeEpset = true;
@@ -4088,7 +4088,7 @@ int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, SSqlInfo* pInfo, SQuer
   }
 
   // load the meta data from catalog
-  code = catalogGetMetaData(pCatalog, &req, &data);
+  code = catalogGetAllMeta(pCatalog, NULL, &req, &data);
   if (code != TSDB_CODE_SUCCESS) {
     return code;
   }
diff --git a/source/libs/parser/src/parser.c b/source/libs/parser/src/parser.c
index 29561f7f54..3faa06720b 100644
--- a/source/libs/parser/src/parser.c
+++ b/source/libs/parser/src/parser.c
@@ -42,7 +42,7 @@ int32_t qParseQuerySql(const char* pStr, size_t length, struct SQueryStmtInfo**
     return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
   }
 
-  struct SCatalog* pCatalog = getCatalogHandle(NULL);
+  struct SCatalog* pCatalog = catalogGetHandle(NULL);
   return qParserValidateSqlNode(pCatalog, &info, *pQueryInfo, id, msg, msgLen);
 }
 
@@ -131,7 +131,7 @@ static void freePtrElem(void* p) {
   tfree(*(char**)p);
 }
 
-int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SMetaReq* pMetaInfo, char* msg, int32_t msgBufLen) {
+int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SCatalogReq* pMetaInfo, char* msg, int32_t msgBufLen) {
   int32_t code  = TSDB_CODE_SUCCESS;
   SMsgBuf msgBuf = {.buf = msg, .len = msgBufLen};
 
@@ -188,7 +188,7 @@ int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SMetaReq* pMet
   return code;
 }
 
-void qParserClearupMetaRequestInfo(SMetaReq* pMetaReq) {
+void qParserClearupMetaRequestInfo(SCatalogReq* pMetaReq) {
   if (pMetaReq == NULL) {
     return;
   }
diff --git a/source/libs/parser/test/parserTests.cpp b/source/libs/parser/test/parserTests.cpp
index 2193a44604..6a402cd620 100644
--- a/source/libs/parser/test/parserTests.cpp
+++ b/source/libs/parser/test/parserTests.cpp
@@ -38,7 +38,7 @@ void setSchema(SSchema* p, int32_t type, int32_t bytes, const char* name, int32_
   strcpy(p->name, name);
 }
 
-void setTableMetaInfo(SQueryStmtInfo* pQueryInfo, SMetaReq* req) {
+void setTableMetaInfo(SQueryStmtInfo* pQueryInfo, SCatalogReq* req) {
   pQueryInfo->numOfTables = 1;
 
   pQueryInfo->pTableMetaInfo = (STableMetaInfo**)calloc(1, POINTER_BYTES);
@@ -80,7 +80,7 @@ void sqlCheck(const char* sql, bool valid) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -117,7 +117,7 @@ TEST(testCase, validateAST_test) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -175,7 +175,7 @@ TEST(testCase, function_Test) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -221,7 +221,7 @@ TEST(testCase, function_Test2) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -267,7 +267,7 @@ TEST(testCase, function_Test3) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -312,7 +312,7 @@ TEST(testCase, function_Test4) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -360,7 +360,7 @@ TEST(testCase, function_Test5) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -445,7 +445,7 @@ TEST(testCase, function_Test6) {
   int32_t   code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -523,7 +523,7 @@ TEST(testCase, function_Test6) {
   int32_t code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -585,7 +585,7 @@ TEST(testCase, function_Test6) {
   int32_t code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -664,7 +664,7 @@ TEST(testCase, function_Test6) {
   int32_t code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
diff --git a/source/libs/parser/test/plannerTest.cpp b/source/libs/parser/test/plannerTest.cpp
index c86e687664..bb9271a3c8 100644
--- a/source/libs/parser/test/plannerTest.cpp
+++ b/source/libs/parser/test/plannerTest.cpp
@@ -39,7 +39,7 @@ void setSchema(SSchema* p, int32_t type, int32_t bytes, const char* name, int32_
   strcpy(p->name, name);
 }
 
-void setTableMetaInfo(SQueryStmtInfo* pQueryInfo, SMetaReq *req) {
+void setTableMetaInfo(SQueryStmtInfo* pQueryInfo, SCatalogReq *req) {
   pQueryInfo->numOfTables = 1;
 
   pQueryInfo->pTableMetaInfo = (STableMetaInfo**)calloc(1, POINTER_BYTES);
@@ -79,7 +79,7 @@ void generateLogicplan(const char* sql) {
   int32_t code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
@@ -119,7 +119,7 @@ TEST(testCase, planner_test) {
   int32_t code = evaluateSqlNode(pNode, TSDB_TIME_PRECISION_NANO, &buf);
   ASSERT_EQ(code, 0);
 
-  SMetaReq req = {0};
+  SCatalogReq req = {0};
   int32_t  ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);
diff --git a/source/libs/parser/test/tokenizerTest.cpp b/source/libs/parser/test/tokenizerTest.cpp
index 07ba46427f..54372ae133 100644
--- a/source/libs/parser/test/tokenizerTest.cpp
+++ b/source/libs/parser/test/tokenizerTest.cpp
@@ -714,7 +714,7 @@ TEST(testCase, extractMeta_test) {
   ASSERT_EQ(info1.valid, true);
 
   char msg[128] = {0};
-  SMetaReq req  = {0};
+  SCatalogReq req  = {0};
   int32_t ret = qParserExtractRequestedMetaInfo(&info1, &req, msg, 128);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(taosArrayGetSize(req.pTableName), 1);