diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 6f8d223..647932c 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -811,8 +811,16 @@ void Player::_CMMove(f8::MsgHdr& hdr, const cs::CMMove& msg)
     #endif
     if (!a8::HasBitFlag(status, HS_Fly)) {
         if (msg.has_attack_dir()) {
-            attack_dir.FromPB(&msg.attack_dir());
-            attack_dir.Normalize();
+            if (std::isfinite(msg.attack_dir().x()) &&
+                std::isfinite(msg.attack_dir().y()) &&
+                (
+                 std::abs(msg.attack_dir().x()) > 0.00001f ||
+                 std::abs(msg.attack_dir().y()) > 0.00001f
+                 )
+                ){
+                    attack_dir.FromPB(&msg.attack_dir());
+                    attack_dir.Normalize();
+            }
         } else {
             if (moving) {
                 attack_dir = move_dir;
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index 5c3dbb6..3d2246d 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -49,7 +49,6 @@ message SafeArea
 message Item
 {
     optional int32 id = 1; //道具id
-    optional int32 type = 2; //类型
 }
 
 message Equip