diff --git a/laf-cloud/functions/drawHead.ts b/laf-cloud/functions/drawHead.ts
index 5419383..9f00070 100644
--- a/laf-cloud/functions/drawHead.ts
+++ b/laf-cloud/functions/drawHead.ts
@@ -36,9 +36,9 @@ export default async function (ctx: FunctionContext) {
   }
 
 
-  let list1 = [];
-  let list2 = [];
-  let list3 = [];
+  let list1: number[] = [];
+  let list2: number[] = [];
+  let list3: number[] = [];
   for (let i = 0; i < level1.length; i++) {
     if (!headArr.includes(level1[i])) {
       list1.push(level1[i]);