diff --git a/im-admin-ui/src/api/im/agent/index.ts b/im-admin-ui/src/api/im/agent/index.ts
index 760b499..0f401df 100644
--- a/im-admin-ui/src/api/im/agent/index.ts
+++ b/im-admin-ui/src/api/im/agent/index.ts
@@ -48,6 +48,6 @@ export function saveDefaultCustomer(kefuId: number | null): AxiosPromise<any> {
   return request({
     url: '/im/agent/saveDefaultCustomer',
     method: 'post',
-    data: { defaultCustomerId: kefuId }
+    data: { defaultKefuId: kefuId }
   });
 }
diff --git a/im-admin-ui/src/views/im/code/index.vue b/im-admin-ui/src/views/im/code/index.vue
index 1de1b11..b89be24 100644
--- a/im-admin-ui/src/views/im/code/index.vue
+++ b/im-admin-ui/src/views/im/code/index.vue
@@ -5,41 +5,47 @@
         <!-- 客服选择 -->
         <div class="kefu-selector">
           <span class="kefu-label">指定客服：</span>
-          <el-select
-            v-model="selectedKefuId"
-            placeholder="不指定（系统自动分配）"
-            clearable
-            size="small"
-            style="width: 240px;"
-            @change="onKefuChange"
-          >
-            <el-option
-              v-for="item in kefuList"
-              :key="item.id"
-              :label="item.nickName"
-              :value="item.id"
-            >
-              <div style="display: flex; align-items: center; gap: 8px;">
+          <el-select v-model="selectedKefuId" placeholder="不指定（系统自动分配）" size="small" style="width: 240px" @change="onKefuChange">
+            <el-option v-for="item in kefuList" :key="item.id" :label="item.nickName" :value="item.id">
+              <div style="display: flex; align-items: center; gap: 8px">
                 <el-avatar :src="item.headImageThumb" :size="24" v-if="item.headImageThumb" />
                 <span>{{ item.nickName }}</span>
               </div>
             </el-option>
           </el-select>
+          <el-button
+            v-if="selectedKefuId !== ''"
+            size="small"
+            type="danger"
+            plain
+            @click="onClearKefu"
+            style="margin-left: 8px;"
+          >
+            清除
+          </el-button>
         </div>
+
         <!-- 使用悬浮球设置组件 -->
-        <FloatBallSetting 
+        <FloatBallSetting
           ref="floatBallSettingRef"
           :token="uniqueToken"
           @save="handleFloatBallConfigSaved"
           @update:config="handleFloatBallConfigUpdate"
         />
-        
+
         <el-collapse v-model="activeName" accordion>
           <el-collapse-item title="超链接" name="1">
             <alink :tokeninfo="token" :site-url="siteUrl" :unique-token="uniqueToken" @cget-copy="getCopy"></alink>
           </el-collapse-item>
           <el-collapse-item title="网页内嵌" name="2">
-            <wangye :tokeninfo="token" :site-url="siteUrl" :unique-token="uniqueToken" :kefu-id="selectedKefuId" :float-config="floatBallConfig" @cget-copy="getCopy"></wangye>
+            <wangye
+              :tokeninfo="token"
+              :site-url="siteUrl"
+              :unique-token="uniqueToken"
+              :kefu-id="selectedKefuId"
+              :float-config="floatBallConfig"
+              @cget-copy="getCopy"
+            ></wangye>
           </el-collapse-item>
         </el-collapse>
       </el-card>
@@ -52,6 +58,8 @@ import { ref, computed, onMounted, getCurrentInstance } from 'vue';
 // import { useStore } from 'vuex';
 // import { adminAppCustomer, appReset } from '@/api/kefu';
 import alink from './components/alink.vue';
+import { ElMessage } from 'element-plus';
+
 import wangye from './components/wangye.vue';
 import FloatBallSetting from './components/FloatBallSetting.vue';
 import { listUser, listAllCustomer } from '@/api/im/user/customer';
@@ -74,7 +82,7 @@ const { proxy } = getCurrentInstance() as any;
 // 👇 定义悬浮球配置（默认空）
 const floatBallConfig = ref<FloatBallConfig>({
   pcImage: '',
-  mobileImage: '',
+  mobileImage: ''
 });
 const token = ref<any>('');
 const canfrime = ref(false);
@@ -85,7 +93,7 @@ const canCustomerServer = ref('');
 
 const selectedKefuId = ref<number | ''>('');
 const kefuList = ref<any[]>([]);
-
+const kefuSaving = ref(false);
 const linkUrl = computed(() => `${location.origin}/chat/index?token=${token.value?.token_md5}&noCanClose=1`);
 onMounted(() => {
   // 页面加载就获取当前代理的 uniqueToken ✅
@@ -132,7 +140,6 @@ async function loadKefuList() {
   }
 }
 
-
 // 加载已保存的默认客服ID
 async function loadDefaultKefu() {
   try {
@@ -145,13 +152,30 @@ async function loadDefaultKefu() {
   }
 }
 
-
 async function onKefuChange(val: number | '') {
+  if (kefuSaving.value) return;
+  kefuSaving.value = true;
   try {
     await saveDefaultCustomer(val || null);
-    proxy?.$Message?.success('已保存');
+    ElMessage.success('已保存');
   } catch (e) {
     console.error('保存默认客服失败', e);
+  } finally {
+    kefuSaving.value = false;
+  }
+}
+
+async function onClearKefu() {
+  if (kefuSaving.value) return;
+  selectedKefuId.value = '';
+  kefuSaving.value = true;
+  try {
+    await saveDefaultCustomer(null);
+    ElMessage.success('已清除');
+  } catch (e) {
+    console.error('清除默认客服失败', e);
+  } finally {
+    kefuSaving.value = false;
   }
 }
 
@@ -167,7 +191,7 @@ function handleFloatBallConfigSaved(config: FloatBallConfig) {
   floatBallConfig.value = config;
   // 可以在这里执行额外的保存逻辑，比如同步到服务器
   console.log('悬浮球配置已保存:', config);
-  
+
   // 如果需要保存到服务器，可以在这里调用API
   // saveFloatBallConfigToServer(config);
 }
@@ -364,4 +388,4 @@ function copyToClipboard(elem: HTMLElement) {
   height: 40px !important;
   margin-right: 30px;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImAgentController.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImAgentController.java
index b6f629f..fa6a9c7 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImAgentController.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImAgentController.java
@@ -151,7 +151,6 @@ public class ImAgentController extends BaseController {
     /**
      * 保存默认客服ID
      */
-    @RepeatSubmit()
     @PostMapping("/saveDefaultCustomer")
     public R<Void> saveDefaultCustomer(@RequestBody ImAgentBo bo) {
         imAgentService.saveDefaultCustomerId(bo.getDefaultKefuId());
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImAgentServiceImpl.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImAgentServiceImpl.java
index 48d71e1..0bcca00 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImAgentServiceImpl.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImAgentServiceImpl.java
@@ -283,11 +283,11 @@ public class ImAgentServiceImpl implements IImAgentService {
         if (agent == null) {
             throw new RuntimeException("代理不存在");
         }
-        LambdaUpdateWrapper<ImAgent> wrapper = new LambdaUpdateWrapper<>();
-        wrapper.eq(ImAgent::getId, agent.getId());
-        wrapper.set(ImAgent::getDefaultKefuId, customerId);
-        baseMapper.update(null, wrapper);
+
+        agent.setDefaultKefuId(customerId);
+        baseMapper.updateById(agent);
     }
 
 
+
 }