diff --git a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
index 8aabdd8..d94ed5c 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
@@ -59,7 +59,17 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "    OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
-            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%'))" +
+            "    OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "</if> " +
             "ORDER BY ti.create_time DESC" +
             "</script>")
@@ -108,7 +118,17 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "    OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
-            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%'))" +
+            "    OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "</if> " +
             "<if test='allowedTaskTypeIds != null and allowedTaskTypeIds.size() > 0'> " +
             "  AND ti.task_type_id IN " +
@@ -164,9 +184,21 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "  <if test='deptId != null'> AND ti.receiver_dept_id = #{deptId} </if>" +
             "  <if test='keyword != null and keyword != \"\"'> " +
             "    AND (t.title LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%'))" +
+            "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(r.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "  </if>" +
             "ORDER BY ti.update_time DESC" +
             "</script>")
@@ -217,9 +249,21 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "  <if test='deptId != null'> AND ti.receiver_dept_id = #{deptId} </if>" +
             "  <if test='keyword != null and keyword != \"\"'> " +
             "    AND (t.title LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%'))" +
+            "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(r.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "  </if>" +
             "ORDER BY ti.complete_time DESC" +
             "</script>")
@@ -269,9 +313,21 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "  </foreach> " +
             "  <if test='keyword != null and keyword != \"\"'> " +
             "    AND (t.title LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%'))" +
+            "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(r.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "  </if>" +
             "ORDER BY ti.update_time DESC" +
             "</script>")
@@ -320,9 +376,21 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "  </foreach> " +
             "  <if test='keyword != null and keyword != \"\"'> " +
             "    AND (t.title LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%'))" +
+            "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(ppd.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dc.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(r.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "      OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "  </if>" +
             "ORDER BY ti.complete_time DESC" +
             "</script>")
diff --git a/backend/src/main/java/com/designhub/mapper/TaskMapper.java b/backend/src/main/java/com/designhub/mapper/TaskMapper.java
index 223103d..dc7b92b 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskMapper.java
@@ -30,7 +30,10 @@ public interface TaskMapper extends BaseMapper<Task> {
             "  p.platform_name AS platform_name, " +
             "  approver.real_name AS current_approver_name, " +
             "  primary_user.real_name AS primary_publisher_name, " +
-            "  primary_dept.dept_name AS primary_publisher_dept_name " +
+            "  primary_dept.dept_name AS primary_publisher_dept_name, " +
+            "  detail_completer.real_name AS detail_completer_name, " +
+            "  receiver.real_name AS receiver_name, " +
+            "  dt.type_name AS task_type_name " +
             "FROM task t " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
@@ -40,6 +43,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
             "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
             "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
+            "LEFT JOIN sys_user detail_completer ON t.detail_completer_id = detail_completer.id " +
+            "LEFT JOIN sys_user receiver ON t.receiver_id = receiver.id " +
+            "LEFT JOIN task_type dt ON t.task_type_id = dt.id " +
             "WHERE t.status = 'pending' AND t.approval_status = 'approved' AND t.deleted = 0 AND (t.is_pipeline = 0 OR t.is_pipeline IS NULL)" +
             "<if test='taskTypeId != null'> AND t.task_type_id = #{taskTypeId}</if>" +
             "<if test='demandTypeId != null'> AND t.demand_type_id = #{demandTypeId}</if>" +
@@ -54,7 +60,18 @@ public interface TaskMapper extends BaseMapper<Task> {
             "    OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.remark LIKE CONCAT('%', #{keyword}, '%') " +
-            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%'))" +
+            "    OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(d.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(primary_user.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(primary_dept.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(detail_completer.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(receiver.real_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "</if>" +
             "<if test='publisherName != null and publisherName != \"\"'> AND u.real_name LIKE CONCAT('%', #{publisherName}, '%')</if>" +
             "<if test='timeRange != null and timeRange == \"today\"'> AND DATE(t.create_time) = CURDATE()</if>" +
@@ -93,7 +110,10 @@ public interface TaskMapper extends BaseMapper<Task> {
             "  p.platform_name AS platform_name, " +
             "  approver.real_name AS current_approver_name, " +
             "  primary_user.real_name AS primary_publisher_name, " +
-            "  primary_dept.dept_name AS primary_publisher_dept_name " +
+            "  primary_dept.dept_name AS primary_publisher_dept_name, " +
+            "  detail_completer.real_name AS detail_completer_name, " +
+            "  receiver.real_name AS receiver_name, " +
+            "  dt.type_name AS task_type_name " +
             "FROM task t " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
@@ -103,6 +123,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
             "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
             "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
+            "LEFT JOIN sys_user detail_completer ON t.detail_completer_id = detail_completer.id " +
+            "LEFT JOIN sys_user receiver ON t.receiver_id = receiver.id " +
+            "LEFT JOIN task_type dt ON t.task_type_id = dt.id " +
             "WHERE t.status = 'pending' AND t.approval_status = 'approved' AND t.deleted = 0 AND (t.is_pipeline = 0 OR t.is_pipeline IS NULL)" +
             "<if test='allowedTaskTypeIds != null and allowedTaskTypeIds.size() > 0'>" +
             "  AND t.task_type_id IN " +
@@ -123,7 +146,18 @@ public interface TaskMapper extends BaseMapper<Task> {
             "    OR t.task_no LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "    OR t.remark LIKE CONCAT('%', #{keyword}, '%') " +
-            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%'))" +
+            "    OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(d.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(b.brand_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(c.category_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(p.platform_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(dt.type_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(primary_user.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(primary_dept.dept_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(detail_completer.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
+            "    OR COALESCE(receiver.real_name, '') LIKE CONCAT('%', #{keyword}, '%'))" +
             "</if>" +
             "<if test='publisherName != null and publisherName != \"\"'> AND u.real_name LIKE CONCAT('%', #{publisherName}, '%')</if>" +
             "<if test='timeRange != null and timeRange == \"today\"'> AND DATE(t.create_time) = CURDATE()</if>" +
diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index e45621e..346d2b6 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -1082,12 +1082,40 @@ public class TaskService {
             log.info("接单部门用户查看自己接单的已完成任务: userId={}", userId);
         }
         
-        // 4. 关键词搜索
+        // 4. 关键词搜索（支持搜索任务卡片的所有信息）
         if (org.springframework.util.StringUtils.hasText(keyword)) {
             wrapper.and(w -> w
                 .like(Task::getTitle, keyword)
                 .or()
                 .like(Task::getTaskNo, keyword)
+                .or()
+                .like(Task::getSpuInfo, keyword)
+                .or()
+                .like(Task::getRemark, keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_user u WHERE u.id = t.publisher_id AND u.real_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_dept d WHERE d.id = t.publisher_dept_id AND d.dept_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM brand b WHERE b.id = t.brand_id AND b.brand_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM category c WHERE c.id = t.category_id AND c.category_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM platform p WHERE p.id = t.platform_id AND p.platform_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM task_type dt WHERE dt.id = t.task_type_id AND dt.type_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_user pp WHERE pp.id = t.primary_publisher_id AND pp.real_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_dept pd WHERE pd.id = t.primary_publisher_dept_id AND pd.dept_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_user dc WHERE dc.id = t.detail_completer_id AND dc.real_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("EXISTS (SELECT 1 FROM sys_user r WHERE r.id = t.receiver_id AND r.real_name LIKE CONCAT('%', {0}, '%'))", keyword)
+                .or()
+                .apply("COALESCE(t.description, '') LIKE CONCAT('%', {0}, '%')", keyword)
+                .or()
+                .apply("COALESCE(t.product_barcodes, '') LIKE CONCAT('%', {0}, '%')", keyword)
             );
         }