修改课程图片

src/assets/course.json

@@ -804,7 +804,7 @@
                 {
                     "id": "18d6bbb5-c5e9-11f0-a424-005056924926",
                     "title": "第1课-中草药百科问答器",
-                    "url": "https://ccrb.s3.cn-northwest-1.amazonaws.com.cn/Slide11763971863505.jpeg",
+                    "url": "https://ccrb.s3.cn-northwest-1.amazonaws.com.cn/PixPin_2025-11-20_16-05-011763625908128.png",
                     "dataId": "",
                     "dataList": [],
                     "courseType": "2"

src/components/main/courseSelect.vue

@@ -157,7 +157,7 @@
     <el-button :class="selectmod == '模块四' ? 'el_button_active' : ''" @click="clickmod('模块四')">模块四</el-button>
   </div>
  <div class="course_select" v-if="gotype.gotype == 'bjs'">
-    <div v-if="currentmodData && currentmodData.shang.length > 0 && volumes">
+    <div v-if="currentmodData && currentmodData.shang.length > 0">
       <el-row :gutter="20">
         <el-col :span="6" v-for="item in currentmodData.shang" :key="item.title" style="margin-top: 10px;">
           <div class="grid-content ep-bg-purple">