diff --git a/src/mods/work/AppHelpDeclaration/add.vue b/src/mods/work/AppHelpDeclaration/add.vue
index 34ca77c..dbe3bb4 100644
--- a/src/mods/work/AppHelpDeclaration/add.vue
+++ b/src/mods/work/AppHelpDeclaration/add.vue
@@ -12,7 +12,7 @@
         <div class="left">
           <span>*</span><span>申请人身份证号</span>
         </div>
-        <input type="text" class="right__text" v-model="form.idNumber" placeholder="请输入" maxlength="20"/>
+        <input type="text" class="right__text" v-model="form.idNumber" placeholder="请输入" maxlength="18"/>
       </div>
       <div class="item">
         <div class="left">