diff --git a/ui/src/views/login/index.vue b/ui/src/views/login/index.vue
index 370d22401..6cd1c9b4d 100644
--- a/ui/src/views/login/index.vue
+++ b/ui/src/views/login/index.vue
@@ -45,7 +45,7 @@
                 >
                 </el-input>
 
-                <img :src="identifyCode" alt="" height="40" class="ml-8 cursor" @click="makeCode" />
+                <img :src="identifyCode" alt="" height="38" class="ml-8 cursor border border-r-4" @click="makeCode" />
               </div>
             </el-form-item>
           </div>