diff --git a/pages/jingxuan/selected-skills.vue b/pages/jingxuan/selected-skills.vue
index 6597289..45bb187 100644
--- a/pages/jingxuan/selected-skills.vue
+++ b/pages/jingxuan/selected-skills.vue
@@ -68,24 +68,26 @@
         ></skill-card>
       </view>
       
-      <view class="empty-state" v-else>
-        <image class="empty-icon" src="https://mrrplus.oss-cn-beijing.aliyuncs.com/photo/system/da814ede-1adc-4f90-8cdf-5357a12fab27.png"></image>
+      <view v-else>
+        <noData></noData>
       </view>
     </view>
     
     <view style="height: 60rpx;"></view>
+    
   </view>
 </template>
 
 <script>
 import request from "@/utils/request"
 import SkillCard from "@/pages/home/components/skill-card.vue" 
+import noData from "@/components/noData/noData.vue";
 
 // 数据模式开关：true=调用真实接口，false=使用模拟数据
 const USE_REAL_API = true
 
 export default {
-  components: { SkillCard },
+  components: { SkillCard, noData },
   data() {
     return {
       navHeight: 0,
@@ -170,6 +172,7 @@ export default {
       this.fetchData(true);
     },
     
+    // 获取列表数据 (统一入口)
     // 获取列表数据 (统一入口)
     async fetchData(isReset = false) {
       if (isReset) {
@@ -181,12 +184,21 @@ export default {
       if (USE_REAL_API) {
         uni.showLoading({ title: '加载中...' })
         try {
+          // 1. 初始化基础参数
           const params = {
             page: this.page,
-            limit: this.limit,
-            order_type: this.orderType
+            limit: this.limit
+          }
+          
+          // 2. 仅当 orderType 不为 0 时，才将 order_type 传给后端，避免 500 报错
+          if (this.orderType !== 0) {
+            params.order_type = this.orderType
+          }
+          
+          // 3. 课程类型筛选
+          if (this.linkType !== '') {
+            params.link_type = this.linkType
           }
-          if (this.linkType) params.link_type = this.linkType
           
           const res = await request.post('/sj/skill/list', params)
           if ((res.code === 200 || res.state === 1) && res.data && res.data.list) {
@@ -210,18 +222,20 @@ export default {
           let list = [...this.mockDatabase]
           
           // 1. 模拟筛选
-          if (this.linkType) {
+          if (this.linkType !== '') {
             list = list.filter(item => item.link_type === this.linkType)
           }
           
-          // 2. 模拟排序
-          list.sort((a, b) => {
-            if (this.orderType === 1) return b.timestamp - a.timestamp // 时间降序
-            if (this.orderType === 2) return a.timestamp - b.timestamp // 时间升序
-            if (this.orderType === 3) return b.views - a.views         // 浏览量降序
-            if (this.orderType === 4) return a.views - b.views         // 浏览量升序
-            return 0
-          })
+          // 2. 模拟排序 (仅当 orderType 不为 0 时才进行排序操作)
+          if (this.orderType !== 0) {
+            list.sort((a, b) => {
+              if (this.orderType === 1) return b.timestamp - a.timestamp // 时间降序
+              if (this.orderType === 2) return a.timestamp - b.timestamp // 时间升序
+              if (this.orderType === 3) return b.views - a.views         // 浏览量降序
+              if (this.orderType === 4) return a.views - b.views         // 浏览量升序
+              return 0
+            })
+          }
           
           // 3. 模拟分页
           const start = (this.page - 1) * this.limit