diff --git a/src/pages/overviewDevHistory/index.vue b/src/pages/overviewDevHistory/index.vue
index 5396cc3..cd6b719 100644
--- a/src/pages/overviewDevHistory/index.vue
+++ b/src/pages/overviewDevHistory/index.vue
@@ -15,15 +15,15 @@
 
     <div class="block history">
       <div class="inner">
-        <h2 class="wow fadeInLeft">{{ modules[1].form.title }}</h2>
-        <p class="en">{{ modules[1].form.des }}</p>
+        <h2 class="wow fadeInLeft" v-if="modules[1].form.title">{{ modules[1].form.title }}</h2>
+        <p class="en" v-if="modules[1].form.des">{{ modules[1].form.des }}</p>
         <div v-if="modules[1]" class="event">
-          <ul class="time">
+          <ul class="time" v-if="modules[1].list >=1">
             <template v-for="(item, i) in modules[1].list">
               <li v-if="item.isEnable" :key="i" :class="{active: curYear == i}" @click="yearClick(i)">{{ item.title }}</li>
             </template>
           </ul>
-          <div class="right">
+          <div class="right" v-if="modules[1].list.length >=1">
             <h6 class="year">{{ modules[1].list[curYear].title }}</h6>
             <ul class="list">
               <template v-for="(e, j) in modules[1].list[curYear].list">
diff --git a/vue.config.js b/vue.config.js
index ccead4b..bf29dca 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -14,5 +14,8 @@ module.exports = {
     assetsDir: Setting.assetsDir,
     devServer: {
         port: 8095 // 固定端口
+    },
+    configureWebpack: {
+      devtool: 'source-map'
     }
 };
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