diff --git a/source/dnode/vnode/meta/inc/metaTbUid.h b/source/dnode/vnode/meta/inc/metaTbUid.h
index 86f4e26cec..07d1f6635b 100644
--- a/source/dnode/vnode/meta/inc/metaTbUid.h
+++ b/source/dnode/vnode/meta/inc/metaTbUid.h
@@ -27,13 +27,13 @@ typedef struct STbUidGenerator {
   tb_uid_t nextUid;
 } STbUidGenerator;
 
+// STableUidGenerator
+int  metaOpenUidGnrt(SMeta *pMeta);
+void metaCloseUidGnrt(SMeta *pMeta);
+
 // tb_uid_t
 #define IVLD_TB_UID 0
-tb_uid_t generateUid(STbUidGenerator *);
-
-// STableUidGenerator
-void tableUidGeneratorInit(STbUidGenerator *, tb_uid_t suid);
-#define tableUidGeneratorClear(ug)
+tb_uid_t metaGenerateUid(SMeta *pMeta);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/vnode/meta/src/metaMain.c b/source/dnode/vnode/meta/src/metaMain.c
index 5f82ca4e87..5ffcfb86cb 100644
--- a/source/dnode/vnode/meta/src/metaMain.c
+++ b/source/dnode/vnode/meta/src/metaMain.c
@@ -44,25 +44,41 @@ SMeta *metaOpen(const char *path, const SMetaOptions *pMetaOptions) {
     return NULL;
   }
 
-  // Create META path
+  // Create META path (TODO)
   taosMkDir(path);
 
-  // Open the DBs needed
-  if (metaOpenDB(pMeta) < 0) {
+  // Open meta cache
+  if (metaOpenCache(pMeta) < 0) {
     // TODO: handle error
-    metaFree(pMeta);
     return NULL;
   }
 
-  tableUidGeneratorInit(&(pMeta->uidGnrt), IVLD_TB_UID);
+  // Open meta db
+  if (metaOpenDB(pMeta) < 0) {
+    // TODO: handle error
+    return NULL;
+  }
+
+  // Open meta index
+  if (metaOpenIdx(pMeta) < 0) {
+    // TODO: handle error
+    return NULL;
+  }
+
+  // Open meta table uid generator
+  if (metaOpenUidGnrt(pMeta) < 0) {
+    return NULL;
+  }
 
   return pMeta;
 }
 
 void metaClose(SMeta *pMeta) {
   if (pMeta) {
-    tableUidGeneratorClear(&pMeta->uidGnrt);
+    metaCloseUidGnrt(pMeta);
+    metaCloseIdx(pMeta);
     metaCloseDB(pMeta);
+    metaCloseCache(pMeta);
     metaFree(pMeta);
   }
 }
@@ -81,6 +97,7 @@ static SMeta *metaNew(const char *path, const SMetaOptions *pMetaOptions) {
 
   pMeta->path = strdup(path);
   if (pMeta->path == NULL) {
+    metaFree(pMeta);
     return NULL;
   }
 
diff --git a/source/dnode/vnode/meta/src/metaTbUid.c b/source/dnode/vnode/meta/src/metaTbUid.c
index 87b1199fd9..be85b45d95 100644
--- a/source/dnode/vnode/meta/src/metaTbUid.c
+++ b/source/dnode/vnode/meta/src/metaTbUid.c
@@ -13,14 +13,18 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "metaTbUid.h"
+#include "meta.h"
+#include "metaDef.h"
 
-tb_uid_t generateUid(STbUidGenerator *pGen) {
-  // Generate a new table UID
-  return ++(pGen->nextUid);
+int metaOpenUidGnrt(SMeta *pMeta) {
+  // Init a generator
+  pMeta->uidGnrt.nextUid = IVLD_TB_UID;
+  return 0;
 }
 
-void tableUidGeneratorInit(STbUidGenerator *pGen, tb_uid_t suid) {
-  // Init a generator
-  pGen->nextUid = suid;
+void metaCloseUidGnrt(SMeta *pMeta) { /* TODO */ }
+
+tb_uid_t metaGenerateUid(SMeta *pMeta) {
+  // Generate a new table UID
+  return ++(pMeta->uidGnrt.nextUid);
 }
\ No newline at end of file