diff --git a/lua/app/common/data_manager.lua b/lua/app/common/data_manager.lua
index 22899eeb..1f906855 100644
--- a/lua/app/common/data_manager.lua
+++ b/lua/app/common/data_manager.lua
@@ -74,7 +74,9 @@ function DataManager:checkDataBind()
 			if name == "BagData" then
 				changeBindFunc(baseData.ItemData, self[name].ItemData)
 			else
-				changeBindFunc(baseData, self[name])
+				if baseData ~= self[name] then
+					changeBindFunc(baseData, self[name])
+				end
 			end
 		end
     end