diff --git a/miniprogram/pages/history/index.js b/miniprogram/pages/history/index.js
index 70c8d09..5ab0538 100644
--- a/miniprogram/pages/history/index.js
+++ b/miniprogram/pages/history/index.js
@@ -214,6 +214,19 @@ Page({
     this.fetchList()
   },
 
+  showTokenWeight(e) {
+    const token = e.currentTarget.dataset.token
+    const weight = e.currentTarget.dataset.weight
+    const weightNum = Number(weight || 0)
+    const direction = weightNum >= 0 ? '倾向垃圾判定' : '倾向正常判定'
+    wx.showModal({
+      title: '关键词权重',
+      content: `关键词"${token}"\n权重贡献：${weightNum >= 0 ? '+' : ''}${weightNum.toFixed(4)}\n(${direction})`,
+      showCancel: false,
+      confirmText: '关闭'
+    })
+  },
+
   removeItem(e) {
     const id = Number(e.currentTarget.dataset.id)
     wx.showModal({
diff --git a/miniprogram/pages/history/index.wxml b/miniprogram/pages/history/index.wxml
index 6885dc7..89cf1f0 100644
--- a/miniprogram/pages/history/index.wxml
+++ b/miniprogram/pages/history/index.wxml
@@ -57,7 +57,7 @@
       <view class="field" wx:if="{{item.reason_tokens && item.reason_tokens.length}}">
         <text class="field-label">风险关键词</text>
         <view class="chip-group">
-          <text class="tag" wx:for="{{item.reason_tokens}}" wx:key="*this">{{item}}</text>
+          <text class="tag tag-danger" wx:for="{{item.reason_tokens}}" wx:for-item="tokenItem" wx:key="token" data-token="{{tokenItem.token}}" data-weight="{{tokenItem.weight}}" bindtap="showTokenWeight">{{tokenItem.token}}</text>
         </view>
       </view>