diff --git a/server/gameserver/mt/MetaMgr.cc b/server/gameserver/mt/MetaMgr.cc
index fc2ae315..cbeb2004 100644
--- a/server/gameserver/mt/MetaMgr.cc
+++ b/server/gameserver/mt/MetaMgr.cc
@@ -133,7 +133,7 @@ namespace mt
 
     void MetaMgr::UnInit()
     {
-
+        meta_tables.clear();
     }
 
 }
diff --git a/server/gameserver/mt/MetaMgr.h b/server/gameserver/mt/MetaMgr.h
index cc7c1845..6ad597ce 100644
--- a/server/gameserver/mt/MetaMgr.h
+++ b/server/gameserver/mt/MetaMgr.h
@@ -81,7 +81,7 @@ namespace mt
         template<class T>
         void RegMetaTable(const std::string& dir)
         {
-            mt::MetaTable* p = new mt::MetaTable();
+            std::shared_ptr<mt::MetaTable> p = std::make_shared<mt::MetaTable>();
             p->static_pre_init_cb =
                 [] ()
                 {
@@ -155,7 +155,7 @@ namespace mt
 
         const std::string GetResDir() { return res_path_; }
     private:
-        std::vector<MetaTable*> meta_tables;
+        std::vector<std::shared_ptr<MetaTable>> meta_tables;
         std::string res_path_;
     };
 
diff --git a/third_party/a8 b/third_party/a8
index 73a47066..1e577389 160000
--- a/third_party/a8
+++ b/third_party/a8
@@ -1 +1 @@
-Subproject commit 73a4706673d6b773ca2e5cf102c45e0f2245aa5b
+Subproject commit 1e577389c8a2870db9ddbf18577bfca24def049b
diff --git a/third_party/f8 b/third_party/f8
index f856de73..243bbe51 160000
--- a/third_party/f8
+++ b/third_party/f8
@@ -1 +1 @@
-Subproject commit f856de73d2a3087289495690e3ea9bd7b1aa79ef
+Subproject commit 243bbe515ef4a01089f9a6cf608c93d4097018de