diff --git a/server/gameserver/aicomponent.cc b/server/gameserver/aicomponent.cc
index 8dbc992..6903c2e 100644
--- a/server/gameserver/aicomponent.cc
+++ b/server/gameserver/aicomponent.cc
@@ -2,6 +2,11 @@
 
 #include "aicomponent.h"
 
+AIComponent::~AIComponent()
+{
+
+}
+
 void AIComponent::Update(int delta_time)
 {
 
diff --git a/server/gameserver/aicomponent.h b/server/gameserver/aicomponent.h
index 5728d2d..7529c8e 100644
--- a/server/gameserver/aicomponent.h
+++ b/server/gameserver/aicomponent.h
@@ -6,5 +6,6 @@ class AIComponent
  public:
     Entity* owner = nullptr;
 
+    virtual ~AIComponent();
     virtual void Update(int delta_time);
 };
diff --git a/server/gameserver/android.ai.cc b/server/gameserver/android.ai.cc
index fd54298..e85e118 100644
--- a/server/gameserver/android.ai.cc
+++ b/server/gameserver/android.ai.cc
@@ -7,6 +7,10 @@
 #include "room.h"
 #include "metamgr.h"
 
+AndroidAI::~AndroidAI()
+{
+}
+
 void AndroidAI::Update(int delta_time)
 {
     Human* hum = (Human*)owner;
diff --git a/server/gameserver/android.ai.h b/server/gameserver/android.ai.h
index 806c21a..6c121bc 100644
--- a/server/gameserver/android.ai.h
+++ b/server/gameserver/android.ai.h
@@ -17,6 +17,7 @@ class AndroidAI : public AIComponent
     int state_elapsed_time = 0;
     Human* last_hiter = nullptr;
 
+    virtual ~AndroidAI() override;
     virtual void Update(int delta_time) override;
 
 private:
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index b0ab702..dcb7dc7 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -148,12 +148,10 @@ namespace MetaData
                 }
             }
             assert(itemids.size() == nums.size());
-            #if 1
             std::vector<int> item_lvs;
-            for (auto& itr : itemids) {
+            for (size_t ii = 0; ii < itemids.size(); ++ii) {
                 item_lvs.push_back(1);
             }
-            #endif
             if (this->i->type() == 1) {
                 auto item_tuple = std::make_tuple(
                                                   itemids,