diff --git a/packages/3.0.0/AppVillagerDiscussion/components/Detail.vue b/packages/3.0.0/AppVillagerDiscussion/components/Detail.vue
index 58171bd4..aebca742 100644
--- a/packages/3.0.0/AppVillagerDiscussion/components/Detail.vue
+++ b/packages/3.0.0/AppVillagerDiscussion/components/Detail.vue
@@ -74,7 +74,7 @@
         @onConfirm="onConfirm">
         <el-form ref="form" class="ai-form" :model="form" label-width="110px" label-position="right">
           <el-form-item label="发表意见" prop="content" style="width: 100%;" :rules="[{ required: true, message: '请发表你的观点和意见', trigger: 'blur' }]">
-            <el-input size="small" type="textarea" :rows="5" placeholder="请发表你的观点和意见" v-model="form.content"></el-input>
+            <el-input size="small" type="textarea" :rows="5" :maxlength="140" placeholder="请发表你的观点和意见" v-model="form.content"></el-input>
           </el-form-item>
         </el-form>
       </ai-dialog>