diff --git a/yudao-ui-app/pages/users/login/index.vue b/yudao-ui-app/pages/users/login/index.vue
index dce8ff2a4..bb16a280a 100644
--- a/yudao-ui-app/pages/users/login/index.vue
+++ b/yudao-ui-app/pages/users/login/index.vue
@@ -27,7 +27,7 @@
           <div class="item" v-else>
             <div class="acea-row row-middle">
               <image src="/static/images/code_4.png" style="width: 40rpx; height: 40rpx;"></image>
-              <input type="text" placeholder="请输入您的验证码" class="texts" v-model="captcha" />
+              <input type="text" maxlength="6" placeholder="请输入您的验证码" class="texts" v-model="captcha" />
             </div>
             <button class="code" :disabled="disabled" :class="disabled === true ? 'on' : ''" @click="code">
               {{ text }}