diff --git a/pages/api/tool.ts b/pages/api/tool.ts
index b1b923d..4cf661a 100644
--- a/pages/api/tool.ts
+++ b/pages/api/tool.ts
@@ -27,17 +27,17 @@ export default async function handler(
     } = JSON.parse(jsonStr);
 
     // Normalization
-    // 使用 标准分数 算法 z = (x - mean) / std
+    // 使用 权重值 / 权重值之和
     const { selections } = json;
     const nums = Object.values(selections);
-    const mean = nums.reduce((a, b) => a + b) / nums.length;
+    const sum = nums.reduce((a, b) => a + b);
+    const mean = sum / nums.length;
     const std = Math.sqrt(
       nums.map((x) => Math.pow(x - mean, 2)).reduce((a, b) => a + b) /
         nums.length
     );
-    const normalizedNums = nums.map((x) => (std === 0 ? 0 : (x - mean) / std));
     for (const index in selections) {
-      selections[index] = std === 0 ? 0 : (selections[index] - mean) / std;
+      selections[index] = selections[index] / sum;
     }
     users[json.user] = selections;
   }
@@ -99,6 +99,10 @@ export default async function handler(
   sortedHoursCount.sort((a, b) => a[1] - b[1]);
   console.log("sortedHoursCount", sortedHoursCount);
   console.log("sortedHoursCount.length", sortedHoursCount.length);
+  console.log(
+    "user.length === sorted.length",
+    Object.keys(users).length === sortedHoursCount.length
+  );
 
   res.status(200).json(resp);
 }
diff --git a/pages/report-tool.tsx b/pages/report-tool.tsx
index f8a845b..8e1b7ce 100644
--- a/pages/report-tool.tsx
+++ b/pages/report-tool.tsx
@@ -6,8 +6,8 @@ const ReportPage = () => {
   const getReport = async () => {
     const resp = await fetch("/api/html").then((resp) => resp.json());
     ref.current.innerHTML = resp.html;
-    const json: Record<string, string> = await fetch("/api/tool").then(
-      (resp) => resp.json()
+    const json: Record<string, string> = await fetch("/api/tool").then((resp) =>
+      resp.json()
     );
     const table = ref.current.children[0];
     const tbody = table.children[table.children.length - 1];
@@ -47,4 +47,4 @@ const ReportPage = () => {
   );
 };
 
-export default ReportPage;
\ No newline at end of file
+export default ReportPage;