diff --git a/my-vue-app/src/views/person/components/SalesTimelineWithTaskList.vue b/my-vue-app/src/views/person/components/SalesTimelineWithTaskList.vue
index 7cbf3c0..4e2a187 100644
--- a/my-vue-app/src/views/person/components/SalesTimelineWithTaskList.vue
+++ b/my-vue-app/src/views/person/components/SalesTimelineWithTaskList.vue
@@ -36,7 +36,7 @@
       </div>
     </div>
 
-    <!-- 课1-4子时间轴 -->
+<!-- 课1-4子时间轴 -->
     <div v-if="selectedStage === '课1-4'" class="course-sub-timeline">
       <div class="sub-timeline-container">
         <!-- 课1子时间轴 -->
@@ -46,14 +46,14 @@
             <span class="course-conversion">转化率: {{ getCourseConversionRate(1) }}%</span>
           </div>
           <div class="mini-timeline">
-            <div class="mini-stage" :class="{ active: getCourseStageCount(1, '课1') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(1, '课1') > 0 }" @click="selectCourseStage(1, '课1')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">课1</span>
                 <span class="mini-count">{{ getCourseStageCount(1, '课1') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(1, '付定金') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(1, '付定金') > 0 }" @click="selectCourseStage(1, '付定金')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">付定金</span>
@@ -69,35 +69,35 @@
             <span class="course-title">课2</span>
           </div>
           <div class="mini-timeline">
-            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '课2') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '课2') > 0 }" @click="selectCourseStage(2, '课2')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">课2</span>
                 <span class="mini-count">{{ getCourseStageCount(2, '课2') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '点击未支付') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '点击未支付') > 0 }" @click="selectCourseStage(2, '点击未支付')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">点击支付</span>
                 <span class="mini-count">{{ getCourseStageCount(2, '点击未支付') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '付定金') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '付定金') > 0 }" @click="selectCourseStage(2, '付定金')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">付定金</span>
                 <span class="mini-count">{{ getCourseStageCount(2, '付定金') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '定金转化') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '定金转化') > 0 }" @click="selectCourseStage(2, '定金转化')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">定金转化</span>
                 <span class="mini-count">{{ getCourseStageCount(2, '定金转化') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '成交') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(2, '成交') > 0 }" @click="selectCourseStage(2, '成交')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">成交</span>
@@ -113,35 +113,35 @@
             <span class="course-title">课3</span>
           </div>
           <div class="mini-timeline">
-            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '课3') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '课3') > 0 }" @click="selectCourseStage(3, '课3')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">课3</span>
                 <span class="mini-count">{{ getCourseStageCount(3, '课3') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '点击未支付') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '点击未支付') > 0 }" @click="selectCourseStage(3, '点击未支付')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">点击未支付</span>
                 <span class="mini-count">{{ getCourseStageCount(3, '点击未支付') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '付定金') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '付定金') > 0 }" @click="selectCourseStage(3, '付定金')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">付定金</span>
                 <span class="mini-count">{{ getCourseStageCount(3, '付定金') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '定金转化') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '定金转化') > 0 }" @click="selectCourseStage(3, '定金转化')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">定金转化</span>
                 <span class="mini-count">{{ getCourseStageCount(3, '定金转化') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '成交') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(3, '成交') > 0 }" @click="selectCourseStage(3, '成交')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">成交</span>
@@ -157,35 +157,35 @@
             <span class="course-title">课4</span>
           </div>
           <div class="mini-timeline">
-            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '课4') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '课4') > 0 }" @click="selectCourseStage(4, '课4')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">课4</span>
                 <span class="mini-count">{{ getCourseStageCount(4, '课4') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '点击未支付') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '点击未支付') > 0 }" @click="selectCourseStage(4, '点击未支付')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">点击未付</span>
                 <span class="mini-count">{{ getCourseStageCount(4, '点击未支付') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '付定金') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '付定金') > 0 }" @click="selectCourseStage(4, '付定金')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">付定金</span>
                 <span class="mini-count">{{ getCourseStageCount(4, '付定金') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '定金转化') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '定金转化') > 0 }" @click="selectCourseStage(4, '定金转化')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">定金转化</span>
                 <span class="mini-count">{{ getCourseStageCount(4, '定金转化') }}</span>
               </div>
             </div>
-            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '成交') > 0 }">
+            <div class="mini-stage" :class="{ active: getCourseStageCount(4, '成交') > 0 }" @click="selectCourseStage(4, '成交')">
               <div class="mini-marker"></div>
               <div class="mini-content">
                 <span class="mini-title">成交</span>
@@ -195,7 +195,7 @@
           </div>
         </div>
       </div>
-    </div>
+    </div>    
 
     <div class="task-body">
       <div class="actionable-list">
@@ -768,6 +768,55 @@ const getHealthClass = (health) => {
     return 'health-danger';
   }
 };
+
+// 选择课程阶段
+const selectCourseStage = (courseNumber, stageType) => {
+  let filteredCustomers = [];
+  
+  if (stageType === `课${courseNumber}`) {
+    // 课程阶段：从customersList中筛选
+    filteredCustomers = props.customersList.filter(customer => {
+      const classNum = customer.class_num;
+      const classSituation = customer.class_situation;
+      
+      // 检查class_num字段
+      if (classNum && Array.isArray(classNum)) {
+        return classNum.includes(courseNumber);
+      }
+      
+      // 检查class_situation字段
+      if (classSituation) {
+        if (Array.isArray(classSituation)) {
+          return classSituation.includes(courseNumber);
+        }
+        if (typeof classSituation === 'object') {
+          return classSituation.hasOwnProperty(courseNumber.toString());
+        }
+      }
+      
+      return false;
+    });
+  } else {
+    // 其他阶段：从courseCustomers中筛选
+    if (props.courseCustomers?.['课1-4']) {
+      filteredCustomers = props.courseCustomers['课1-4'].filter(customer => {
+        // 检查客户是否参加了指定课程并且类型匹配
+        const hasAttendedCourse = customer.class_num && customer.class_num.includes(courseNumber);
+        return hasAttendedCourse && customer.type === stageType;
+      });
+    }
+  }
+  
+  // 发送子时间轴选择事件给父组件，使用不同的事件名称避免与主轴冲突
+  emit('sub-stage-select', {
+    filteredCustomers,
+    stageType: `课${courseNumber}-${stageType}`,
+    customerCount: filteredCustomers.length,
+    courseNumber,
+    originalStageType: stageType,
+    keepSubTimeline: true // 标识保持子时间轴显示
+  });
+};
 </script>
 
 <style lang="scss" scoped>
diff --git a/my-vue-app/src/views/person/sale.vue b/my-vue-app/src/views/person/sale.vue
index 303a513..7ace4b2 100644
--- a/my-vue-app/src/views/person/sale.vue
+++ b/my-vue-app/src/views/person/sale.vue
@@ -42,6 +42,7 @@
           v-else
           :data="timelineData" 
           @stage-select="handleStageSelect" 
+          @sub-stage-select="handleSubStageSelect"
           :selected-stage="selectedStage"
           :contacts="filteredContacts"
           :selected-contact-id="selectedContactId"
@@ -772,6 +773,44 @@ const handleStageSelect = (stage, extraData = null) => {
     currentFilteredCustomers.value = [];
   }
 };
+
+// 处理子时间轴阶段选择
+const handleSubStageSelect = (eventData) => {
+  console.log('子时间轴选择事件:', eventData);
+  
+  // 将筛选后的客户数据转换为contacts格式
+  const filteredContacts = eventData.filteredCustomers.map(customer => ({
+    id: customer.customer_name || customer.id,
+    name: customer.customer_name || customer.name,
+    phone: customer.phone,
+    profession: customer.customer_occupation || customer.profession,
+    education: customer.customer_child_education || customer.education,
+    lastMessageTime: customer.latest_message_time || customer.time,
+    avatarUrl: customer.customer_avatar_url || customer.avatar,
+    avatar: customer.customer_avatar_url || customer.avatar || '/default-avatar.svg',
+    type: customer.type || eventData.originalStageType,
+    classNum: customer.class_num,
+    class_num: customer.class_num,
+    salesStage: eventData.stageType,
+    priority: customer.type === '待联系' ? 'high' : 'normal',
+    time: customer.latest_message_time || customer.time || '未知',
+    health: customer.health || 75,
+    // 保留原始数据
+    customer_name: customer.customer_name,
+    customer_occupation: customer.customer_occupation,
+    customer_child_education: customer.customer_child_education,
+    scrm_user_main_code: customer.scrm_user_main_code,
+    weChat_avatar: customer.weChat_avatar,
+    class_situation: customer.class_situation,
+    records: customer.records
+  }));
+  
+  // 更新当前筛选的客户数据，但保持selectedStage不变（保持子时间轴显示）
+  currentFilteredCustomers.value = filteredContacts;
+  
+  console.log(`已筛选出${eventData.originalStageType}阶段的${filteredContacts.length}位客户`);
+};
+
 const handleViewFormData = async (contact) => {
   // 获取客户表单数据
   await getCustomerForm();