diff --git a/source/dnode/vnode/meta/src/metaCache.c b/source/dnode/vnode/meta/src/metaCache.c
index 1e848d434e37510bdda8871668c68c694cf087c4..9166f1724aa479d153f641976dc0a1cdf01dd06a 100644
--- a/source/dnode/vnode/meta/src/metaCache.c
+++ b/source/dnode/vnode/meta/src/metaCache.c
@@ -18,9 +18,20 @@
 
 int metaOpenCache(SMeta *pMeta) {
   // TODO
+  if (pMeta->options.lruCacheSize) {
+    pMeta->pCache = rocksdb_cache_create_lru(pMeta->options.lruCacheSize);
+    if (pMeta->pCache == NULL) {
+      // TODO: handle error
+      return -1;
+    }
+  }
+
   return 0;
 }
 
 void metaCloseCache(SMeta *pMeta) {
-  // TODO
+  if (pMeta->pCache) {
+    rocksdb_cache_destroy(pMeta->pCache);
+    pMeta->pCache = NULL;
+  }
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaDB.c b/source/dnode/vnode/meta/src/metaDB.c
index 5c3d9d0a02b605b4a8806562c6b8b40ab024d1d8..2fcf424971836d45c4c46004e893489bdd25ab99 100644
--- a/source/dnode/vnode/meta/src/metaDB.c
+++ b/source/dnode/vnode/meta/src/metaDB.c
@@ -17,78 +17,10 @@
 #include "metaDef.h"
 
 int metaOpenDB(SMeta *pMeta) {
-#if 0
-  char *             err = NULL;
-  rocksdb_options_t *dbOptions;
-  rocksdb_options_t *idxOptions;
+  /* TODO */
 
-  // Create LRU cache
-  if (pMeta->options.lruCacheSize) {
-    pMeta->metaDB.pCache = rocksdb_cache_create_lru(pMeta->options.lruCacheSize);
-    if (pMeta->metaDB.pCache == NULL) {
-      // TODO: handle error
-      return -1;
-    }
-  }
-
-  // Open raw data DB ---------------------------
-  dbOptions = rocksdb_options_create();
-  if (dbOptions == NULL) {
-    // TODO: handle error
-    return -1;
-  }
-
-  if (pMeta->metaDB.pCache) {
-    rocksdb_options_set_row_cache(dbOptions, pMeta->metaDB.pCache);
-  }
-
-  pMeta->metaDB.pDB = rocksdb_open(dbOptions, "db", &err);
-  if (pMeta->metaDB.pDB == NULL) {
-    // TODO: handle error
-    return -1;
-  }
-
-  rocksdb_options_destroy(dbOptions);
-
-  // Open index DB ---------------------------
-  idxOptions = rocksdb_options_create();
-  if (idxOptions == NULL) {
-    // TODO: handle error
-    return -1;
-  }
-
-  if (pMeta->metaDB.pCache) {
-    rocksdb_options_set_row_cache(dbOptions, pMeta->metaDB.pCache);
-  }
-
-  pMeta->metaDB.pIdx = rocksdb_open(idxOptions, "index", &err);
-  if (pMeta->metaDB.pIdx == NULL) {
-    // TODO: handle error
-    rocksdb_close(pMeta->metaDB.pDB);
-    return -1;
-  }
-
-  rocksdb_options_destroy(idxOptions);
-
-#endif
   return 0;
 }
 
 void metaCloseDB(SMeta *pMeta) { /* TODO */
-#if 0
-  // Close index DB
-  if (pMeta->metaDB.pIdx) {
-    rocksdb_close(pMeta->metaDB.pIdx);
-  }
-
-  // Close raw data DB
-  if (pMeta->metaDB.pDB) {
-    rocksdb_close(pMeta->metaDB.pDB);
-  }
-
-  // Destroy cache
-  if (pMeta->metaDB.pCache) {
-    rocksdb_cache_destroy(pMeta->metaDB.pCache);
-  }
-#endif
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaIdx.c b/source/dnode/vnode/meta/src/metaIdx.c
index f04489d21eba4bd33561f00f1c8ad8e5e222f2db..786b2d101811d6a4ef40e4eb34f471098eb2751f 100644
--- a/source/dnode/vnode/meta/src/metaIdx.c
+++ b/source/dnode/vnode/meta/src/metaIdx.c
@@ -13,11 +13,36 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "metaIdx.h"
+#include "meta.h"
+#include "metaDef.h"
 
 int metaOpenIdx(SMeta *pMeta) {
-  /* TODO */
+  char               idxDir[128];  // TODO
+  char *             err = NULL;
+  rocksdb_options_t *options = rocksdb_options_create();
+
+  // TODO
+  sprintf(idxDir, "%s/index", pMeta->path);
+
+  if (pMeta->pCache) {
+    rocksdb_options_set_row_cache(options, pMeta->pCache);
+  }
+
+  pMeta->pIdx = rocksdb_open(options, idxDir, &err);
+  if (pMeta->pIdx == NULL) {
+    // TODO: handle error
+    rocksdb_options_destroy(options);
+    return -1;
+  }
+
+  rocksdb_options_destroy(options);
+
   return 0;
 }
 
-void metaCloseIdx(SMeta *pMeta) { /* TODO */ }
\ No newline at end of file
+void metaCloseIdx(SMeta *pMeta) { /* TODO */
+  if (pMeta->pIdx) {
+    rocksdb_close(pMeta->pIdx);
+    pMeta->pIdx = NULL;
+  }
+}
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaMain.c b/source/dnode/vnode/meta/src/metaMain.c
index 5ffcfb86cba4161519aa874546a795fa61bebca0..000b10a1266e84504c2cbf41c5d15dd8afaed506 100644
--- a/source/dnode/vnode/meta/src/metaMain.c
+++ b/source/dnode/vnode/meta/src/metaMain.c
@@ -22,6 +22,8 @@
 
 static SMeta *metaNew(const char *path, const SMetaOptions *pMetaOptions);
 static void   metaFree(SMeta *pMeta);
+static int    metaOpenImpl(SMeta *pMeta);
+static void   metaCloseImpl(SMeta *pMeta);
 
 SMeta *metaOpen(const char *path, const SMetaOptions *pMetaOptions) {
   SMeta *pMeta = NULL;
@@ -47,26 +49,9 @@ SMeta *metaOpen(const char *path, const SMetaOptions *pMetaOptions) {
   // Create META path (TODO)
   taosMkDir(path);
 
-  // Open meta cache
-  if (metaOpenCache(pMeta) < 0) {
-    // TODO: handle error
-    return NULL;
-  }
-
-  // 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) {
+  // Open meta
+  if (metaOpenImpl(pMeta) < 0) {
+    metaFree(pMeta);
     return NULL;
   }
 
@@ -75,10 +60,7 @@ SMeta *metaOpen(const char *path, const SMetaOptions *pMetaOptions) {
 
 void metaClose(SMeta *pMeta) {
   if (pMeta) {
-    metaCloseUidGnrt(pMeta);
-    metaCloseIdx(pMeta);
-    metaCloseDB(pMeta);
-    metaCloseCache(pMeta);
+    metaCloseImpl(pMeta);
     metaFree(pMeta);
   }
 }
@@ -113,6 +95,45 @@ static void metaFree(SMeta *pMeta) {
   }
 }
 
+static int metaOpenImpl(SMeta *pMeta) {
+  // Open meta cache
+  if (metaOpenCache(pMeta) < 0) {
+    // TODO: handle error
+    metaCloseImpl(pMeta);
+    return -1;
+  }
+
+  // Open meta db
+  if (metaOpenDB(pMeta) < 0) {
+    // TODO: handle error
+    metaCloseImpl(pMeta);
+    return -1;
+  }
+
+  // Open meta index
+  if (metaOpenIdx(pMeta) < 0) {
+    // TODO: handle error
+    metaCloseImpl(pMeta);
+    return -1;
+  }
+
+  // Open meta table uid generator
+  if (metaOpenUidGnrt(pMeta) < 0) {
+    // TODO: handle error
+    metaCloseImpl(pMeta);
+    return -1;
+  }
+
+  return 0;
+}
+
+static void metaCloseImpl(SMeta *pMeta) {
+  metaCloseUidGnrt(pMeta);
+  metaCloseIdx(pMeta);
+  metaCloseDB(pMeta);
+  metaCloseCache(pMeta);
+}
+
 // OLD -------------------------------------------------------------------
 #if 0
 static int    metaCreateSuperTable(SMeta *pMeta, const char *tbname, const SSuperTableOpts *pSuperTableOpts);