diff --git a/.vscode/settings.json b/.vscode/settings.json
index 471e0cf..2b64626 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,7 +5,11 @@
     "Lua.semantic.keyword": true,
     "Lua.hint.enable": true,
     "Lua.runtime.nonstandardSymbol": [
-        "continue"
+        "continue",
+        "!",
+        "!=",
+        "||",
+        "&&"
     ],
     "Lua.runtime.unicodeName": true,
     "Lua.workspace.checkThirdParty": false,
diff --git a/Const.lua b/Const.lua
index 7d23661..595933b 100644
--- a/Const.lua
+++ b/Const.lua
@@ -506,7 +506,7 @@ CONST.DATA_ENEMYBASE_PETSKILL10 = 0x2C;
 CONST.DATA_ENEMYBASE_NAME = CONST.EnemyBase_Ãû×Ö or 2000;
 end
 
-if CONST.ITEMSET_ID == nil then 
+if CONST.ITEMSET_ID == nil or CONST.ITEMSET_ID > 0 then 
 CONST.ITEMSET_ID = 0x0;
 CONST.ITEMSET_BASEIMAGENUMBER = 0x1;
 CONST.ITEMSET_COST = 0x2;