diff --git a/backend/src/main/java/com/designhub/service/AnalyticsService.java b/backend/src/main/java/com/designhub/service/AnalyticsService.java
index 1a04981..91cc507 100644
--- a/backend/src/main/java/com/designhub/service/AnalyticsService.java
+++ b/backend/src/main/java/com/designhub/service/AnalyticsService.java
@@ -630,12 +630,13 @@ public class AnalyticsService {
             int completedCount = mainCompletedCount + subCompletedCount;
             int inProgressCount = mainInProgressCount + subInProgressCount;
             
-            // 计算准时完成数
+            // 计算准时完成数（主任务 + 子任务）
             int onTimeCount = 0;
             int overdueCount = 0;
             double totalTime = 0;
             int timeCount = 0;
             
+            // 主任务准时率计算
             for (Task task : designerTasks) {
                 if ("completed".equals(task.getStatus()) && task.getActualEndTime() != null) {
                     LocalDateTime start = task.getActualStartTime() != null ? task.getActualStartTime() : task.getStartTime();
@@ -658,6 +659,22 @@ public class AnalyticsService {
                 }
             }
             
+            // 子任务准时率计算
+            for (TaskItem item : designerTaskItems) {
+                if ("completed".equals(item.getStatus()) && item.getCompleteTime() != null) {
+                    // 判断是否准时
+                    if (item.getDeadline() != null) {
+                        if (!item.getCompleteTime().isAfter(item.getDeadline())) {
+                            onTimeCount++;
+                        } else {
+                            overdueCount++;
+                        }
+                    } else {
+                        onTimeCount++; // 没有deadline的默认准时
+                    }
+                }
+            }
+            
             double completionRate = receivedCount > 0 ? (double) completedCount / receivedCount * 100 : 0;
             double onTimeRate = completedCount > 0 ? (double) onTimeCount / completedCount * 100 : 0;
             double avgProcessTime = timeCount > 0 ? totalTime / timeCount : 0;
diff --git a/frontend/src/components/DailyProgressReminder.vue b/frontend/src/components/DailyProgressReminder.vue
index 6fcb24e..7eaf9f8 100644
--- a/frontend/src/components/DailyProgressReminder.vue
+++ b/frontend/src/components/DailyProgressReminder.vue
@@ -2,18 +2,22 @@
   <a-modal
     v-model:open="visible"
     :width="680"
-    :closable="false"
+    :closable="true"
     :maskClosable="false"
-    :keyboard="false"
+    :keyboard="true"
     :footer="null"
     centered
     class="daily-progress-modal"
+    @cancel="handleClose"
   >
     <!-- 自定义标题 -->
     <template #title>
       <div class="modal-title">
         <span class="title-icon">📋</span>
         <span class="title-text">每日任务进度更新</span>
+        <a-button type="text" class="skip-btn" @click="handleSkip">
+          稍后提醒
+        </a-button>
       </div>
     </template>
 
@@ -239,14 +243,21 @@ const handleNoTasksConfirm = () => {
   message.success('确认成功')
 }
 
+// 关闭弹窗
+const handleClose = () => {
+  visible.value = false
+}
+
+// 稍后提醒（跳过本次）
+const handleSkip = () => {
+  visible.value = false
+  message.info('已跳过，下次登录时将再次提醒')
+}
+
 // 提交所有任务进度
 const handleSubmit = async () => {
-  // 验证：所有任务进度必须有更新
+  // 验证：新进度不能小于当前进度
   const hasError = tasks.value.some(task => {
-    if (task.newProgress === task.progress) {
-      task.error = '进度未更新，请调整进度'
-      return true
-    }
     if (task.newProgress < (task.progress || 0)) {
       task.error = '新进度不能小于当前进度'
       return true
@@ -259,17 +270,29 @@ const handleSubmit = async () => {
     message.warning('请检查所有任务进度')
     return
   }
+  
+  // 过滤出有更新的任务
+  const updatedTasks = tasks.value.filter(task => task.newProgress !== task.progress)
 
   submitting.value = true
 
   try {
-    // 批量更新进度
-    const updates = tasks.value.map(task => ({
+    // 批量更新进度（只更新有变化的任务）
+    const updates = updatedTasks.map(task => ({
       taskId: task.id,
       progress: task.newProgress,
       remark: task.progressRemark
     }))
 
+    // 如果没有任何更新，直接关闭
+    if (updates.length === 0) {
+      const today = dayjs().format('YYYY-MM-DD')
+      localStorage.setItem('lastProgressUpdateDate', today)
+      message.success('已确认今日进度')
+      visible.value = false
+      return
+    }
+
     const response = await taskApi.batchUpdateProgress(updates)
     
     if (response.code === 200) {
@@ -302,6 +325,7 @@ defineExpose({
   display: flex;
   align-items: center;
   gap: 10px;
+  width: 100%;
   
   .title-icon {
     font-size: 20px;
@@ -311,6 +335,19 @@ defineExpose({
     font-size: 18px;
     font-weight: 600;
     color: $text-primary;
+    flex: 1;
+  }
+  
+  .skip-btn {
+    color: $text-tertiary;
+    font-size: 13px;
+    height: auto;
+    padding: 4px 12px;
+    
+    &:hover {
+      color: $text-secondary;
+      background: rgba(255, 255, 255, 0.05);
+    }
   }
 }