diff --git a/backend/src/main/java/com/designhub/service/DingTalkService.java b/backend/src/main/java/com/designhub/service/DingTalkService.java
index 1e760a1..e4632ec 100644
--- a/backend/src/main/java/com/designhub/service/DingTalkService.java
+++ b/backend/src/main/java/com/designhub/service/DingTalkService.java
@@ -336,8 +336,8 @@ public class DingTalkService {
     }
     
     /**
-     * 发送机器人消息（卡片格式），支持@指定人（通过手机号）
-     * 使用整体跳转ActionCard样式，点击可跳转到官网
+     * 发送机器人消息（Markdown格式），支持@指定人（通过手机号）
+     * 注意：群机器人只支持 text/link/markdown/feedCard 类型，不支持 action_card
      * @param title 消息标题
      * @param content 消息内容（支持markdown格式）
      * @param atMobiles 要@的手机号列表，null或空表示不@任何人
@@ -363,17 +363,22 @@ public class DingTalkService {
             String siteUrl = getSiteUrl();
             String jumpUrl = buildDingTalkAppLink(config, siteUrl);
             
-            // 构建卡片消息（ActionCard格式）
+            // 构建 Markdown 消息（群机器人支持的格式）
             Map<String, Object> message = new HashMap<>();
-            message.put("msgtype", "action_card");
+            message.put("msgtype", "markdown");
             
-            Map<String, Object> actionCard = new HashMap<>();
-            actionCard.put("title", title);
+            Map<String, Object> markdown = new HashMap<>();
+            markdown.put("title", title);
             
-            // 构建 markdown 正文（卡片已有标题，内容中不再重复）
+            // 构建 markdown 正文
             StringBuilder markdownBuilder = new StringBuilder();
+            markdownBuilder.append("### ").append(title).append("\n\n");
             markdownBuilder.append(content);
             
+            // 添加跳转链接
+            markdownBuilder.append("\n\n---\n\n");
+            markdownBuilder.append("[>>> 点击查看详情](").append(jumpUrl).append(")");
+            
             // 如果有@人，在内容中添加@标记
             if (atMobiles != null && !atMobiles.isEmpty()) {
                 markdownBuilder.append("\n\n");
@@ -382,13 +387,11 @@ public class DingTalkService {
                 }
             }
             
-            actionCard.put("markdown", markdownBuilder.toString());
-            actionCard.put("single_title", "查看详情 »");
-            actionCard.put("single_url", jumpUrl);
+            markdown.put("text", markdownBuilder.toString());
             
-            message.put("action_card", actionCard);
+            message.put("markdown", markdown);
             
-            // 添加@人功能（对于action_card，@功能可能有限制）
+            // 添加@人功能
             if (atMobiles != null && !atMobiles.isEmpty()) {
                 Map<String, Object> at = new HashMap<>();
                 at.put("atMobiles", atMobiles);
@@ -407,7 +410,7 @@ public class DingTalkService {
             if (body != null) {
                 Object errcode = body.get("errcode");
                 if (errcode != null && (errcode.equals(0) || errcode.equals(0L) || "0".equals(errcode.toString()))) {
-                    log.info("钉钉机器人卡片消息发送成功: title={}", title);
+                    log.info("钉钉机器人Markdown消息发送成功: title={}", title);
                     return true;
                 } else {
                     log.error("钉钉机器人消息发送失败: errcode={}, errmsg={}, body={}", 
diff --git a/backend/src/main/java/com/designhub/service/NotificationService.java b/backend/src/main/java/com/designhub/service/NotificationService.java
index 6acb623..8e4ebd4 100644
--- a/backend/src/main/java/com/designhub/service/NotificationService.java
+++ b/backend/src/main/java/com/designhub/service/NotificationService.java
@@ -250,24 +250,23 @@ public class NotificationService {
     
     /**
      * 构建钉钉消息内容（Markdown格式）
+     * 注意：卡片消息的标题会单独显示，这里的内容不要再加标题
      */
     private String buildDingTalkContent(Notification notification) {
         StringBuilder content = new StringBuilder();
-        content.append("### ").append(notification.getTitle()).append("\n\n");
-        content.append(notification.getContent()).append("\n\n");
         
-        // 根据通知类型添加不同的提示
-        if ("task".equals(notification.getNotificationType())) {
-            content.append("> 📋 任务相关通知\n\n");
-        } else if ("review".equals(notification.getNotificationType())) {
-            content.append("> ⭐ 评审相关通知\n\n");
-        } else if ("score".equals(notification.getNotificationType())) {
-            content.append("> 💰 积分相关通知\n\n");
-        } else if ("system".equals(notification.getNotificationType())) {
-            content.append("> 🔔 系统通知\n\n");
+        // 如果内容已经是 Markdown 格式（包含 ** 或 ## 等），直接使用
+        String originalContent = notification.getContent();
+        if (originalContent != null && (originalContent.contains("**") || originalContent.contains("##"))) {
+            // 内容已经包含详细信息，直接使用
+            content.append(originalContent);
+        } else {
+            // 简单内容，构建基础格式
+            content.append(originalContent != null ? originalContent : "");
         }
         
-        content.append("---\n\n");
+        content.append("  \n  \n");
+        content.append("---  \n");
         content.append("请登录系统查看详情");
         
         return content.toString();
diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index d5b197b..bfda2db 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -2192,17 +2192,89 @@ public class TaskService {
     }
 
     /**
-     * 发送审核通知（两级审核流程）
+     * 发送审核通知（两级审核流程）- 包含丰富的任务详情
      */
     private void sendApprovalNotification(Task task) {
         try {
             if (task.getCurrentApproverId() != null) {
                 User approver = userService.getUserById(task.getCurrentApproverId());
                 if (approver != null) {
+                    // 构建丰富的通知内容
+                    StringBuilder contentBuilder = new StringBuilder();
+                    contentBuilder.append("**任务名称**：").append(task.getTitle()).append("  \n");
+                    contentBuilder.append("**任务编号**：").append(task.getTaskNo()).append("  \n");
+                    
+                    // 品牌、平台、SPU信息
+                    if (task.getBrandId() != null) {
+                        Brand brand = brandMapper.selectById(task.getBrandId());
+                        if (brand != null) {
+                            contentBuilder.append("**品牌**：").append(brand.getName()).append("  \n");
+                        }
+                    }
+                    if (task.getPlatformId() != null) {
+                        Platform platform = platformMapper.selectById(task.getPlatformId());
+                        if (platform != null) {
+                            contentBuilder.append("**平台**：").append(platform.getName()).append("  \n");
+                        }
+                    }
+                    if (task.getSpuInfo() != null && !task.getSpuInfo().isEmpty()) {
+                        contentBuilder.append("**SPU**：").append(task.getSpuInfo()).append("  \n");
+                    }
+                    if (task.getTaskSubType() != null && !task.getTaskSubType().isEmpty()) {
+                        contentBuilder.append("**任务类型**：").append(task.getTaskSubType()).append("  \n");
+                    }
+                    
+                    contentBuilder.append("  \n");
+                    
+                    // 查询子任务获取任务类型明细
+                    List<TaskItem> taskItems = taskItemMapper.selectList(
+                        new LambdaQueryWrapper<TaskItem>()
+                            .eq(TaskItem::getTaskId, task.getId())
+                            .orderByAsc(TaskItem::getGroupNo)
+                    );
+                    
+                    if (!taskItems.isEmpty()) {
+                        contentBuilder.append("**任务明细**：  \n");
+                        for (TaskItem item : taskItems) {
+                            // 获取接单部门名称
+                            String deptName = "未指定";
+                            if (item.getTaskTypeId() != null) {
+                                DemandType demandType = configService.getDemandTypeById(item.getTaskTypeId());
+                                if (demandType != null && demandType.getAllowedDeptIds() != null) {
+                                    String[] deptIds = demandType.getAllowedDeptIds().split(",");
+                                    Long firstDeptId = Long.parseLong(deptIds[0].trim());
+                                    Department dept = departmentService.getDepartmentById(firstDeptId);
+                                    if (dept != null) {
+                                        deptName = dept.getDeptName();
+                                    }
+                                }
+                            }
+                            contentBuilder.append("▸ ").append(deptName)
+                                .append(" | ").append(item.getScore() != null ? item.getScore() : 0).append("分")
+                                .append(" | ").append(formatHours(item.getEstimatedHours())).append("  \n");
+                        }
+                    }
+                    
+                    contentBuilder.append("  \n");
+                    
+                    // 发布人信息
+                    if (task.getPublisherId() != null) {
+                        User publisher = userService.getUserById(task.getPublisherId());
+                        if (publisher != null) {
+                            contentBuilder.append("**发起人**：").append(publisher.getRealName() != null ? publisher.getRealName() : publisher.getUsername()).append("  \n");
+                        }
+                    }
+                    if (task.getPublisherDeptId() != null) {
+                        Department dept = departmentService.getDepartmentById(task.getPublisherDeptId());
+                        if (dept != null) {
+                            contentBuilder.append("**发起部门**：").append(dept.getDeptName()).append("  \n");
+                        }
+                    }
+                    
                     Notification notification = new Notification();
                     notification.setReceiverId(task.getCurrentApproverId());
                     notification.setTitle("新任务待审核");
-                    notification.setContent(String.format("任务【%s】需要您审核", task.getTitle()));
+                    notification.setContent(contentBuilder.toString());
                     notification.setNotificationType("TASK_APPROVAL");
                     notification.setRelatedType("task");
                     notification.setRelatedId(task.getId());
@@ -2215,6 +2287,23 @@ public class TaskService {
             log.error("发送审核通知失败", e);
         }
     }
+    
+    /**
+     * 格式化工时（小时转天+小时，8小时=1天）
+     */
+    private String formatHours(BigDecimal hours) {
+        if (hours == null) return "--";
+        int totalHours = hours.intValue();
+        int days = totalHours / 8;
+        int remainingHours = totalHours % 8;
+        if (days > 0 && remainingHours > 0) {
+            return days + "天" + remainingHours + "小时";
+        } else if (days > 0) {
+            return days + "天";
+        } else {
+            return totalHours + "小时";
+        }
+    }
 
     /**
      * 计算任务总积分（用于审核时修改）
diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 86a6c4e..de970b6 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -2108,9 +2108,8 @@
               </a-descriptions-item>
               <a-descriptions-item label="任务类型">{{ getTaskTypeName(selectedTask.taskTypeId) }}</a-descriptions-item>
               <a-descriptions-item label="预估积分">{{ selectedTask.score }} 分</a-descriptions-item>
-              <a-descriptions-item label="预估工时">{{ selectedTask.estimatedHours || '--' }} 小时</a-descriptions-item>
+              <a-descriptions-item label="时效要求">{{ formatEstimatedTime(selectedTask.estimatedHours) }}</a-descriptions-item>
               <a-descriptions-item v-if="!selectedTask.isSubTask" label="数量">{{ selectedTask.quantity || '--' }} 个</a-descriptions-item>
-              <a-descriptions-item label="截止时间">{{ formatDeadline(selectedTask.deadline) }}</a-descriptions-item>
             </a-descriptions>
           </div>