diff --git a/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/dao/ServiceApplicationsDao.java b/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/dao/ServiceApplicationsDao.java
index 5846fba..10a73af 100644
--- a/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/dao/ServiceApplicationsDao.java
+++ b/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/dao/ServiceApplicationsDao.java
@@ -162,7 +162,7 @@ public interface ServiceApplicationsDao extends BaseMapper<ServiceApplicationsEn
     List<LawyerActivityCountVO> getLawyerActivityDetail(@Param("userId") Long userId, @Param("queryForm") LawyerStatisticsQueryFormPage queryForm);
 
     /**
-     * 查询律所列表（分页）
+     * 查询律所列表（分页，按活动总数排序）
      */
     List<FirmActivityCountVO> getFirmActivityCount(@Param("page") Page<?> page, @Param("queryForm") LawyerStatisticsQueryFormPage queryForm);
 
diff --git a/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/service/ServiceApplicationsService.java b/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/service/ServiceApplicationsService.java
index a0d83e8..1ff8358 100644
--- a/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/service/ServiceApplicationsService.java
+++ b/yun-admin/src/main/java/net/lab1024/sa/admin/module/service/service/ServiceApplicationsService.java
@@ -2226,7 +2226,7 @@ public class ServiceApplicationsService {
         // 设置时间范围（根据季度参数设置）
         setTimeRangeByQuarter(queryForm);
 
-        // 使用 SmartPageUtil 创建分页对象，查询律所列表
+        // 使用 SmartPageUtil 创建分页对象，查询律所列表（已按活动总数降序排序）
         Page<?> page = SmartPageUtil.convert2PageQuery(queryForm);
         List<FirmActivityCountVO> firmList = serviceApplicationsDao.getFirmActivityCount(page, queryForm);
 
@@ -2268,6 +2268,13 @@ public class ServiceApplicationsService {
                     lawyer.setActivityList(activityList);
                     lawyer.setTotalCount(lawyerTotalCount);
                 }
+                
+                // 按律师的活动总次数降序排序
+                firmLawyers.sort((a, b) -> {
+                    int countA = a.getTotalCount() != null ? a.getTotalCount() : 0;
+                    int countB = b.getTotalCount() != null ? b.getTotalCount() : 0;
+                    return Integer.compare(countB, countA);
+                });
             }
             
             firm.setLawyerList(firmLawyers);
@@ -2304,13 +2311,6 @@ public class ServiceApplicationsService {
             firm.setTotalCount(totalCount);
         }
 
-        // 按服务总次数降序排序
-        firmList.sort((a, b) -> {
-            int countA = a.getTotalCount() != null ? a.getTotalCount() : 0;
-            int countB = b.getTotalCount() != null ? b.getTotalCount() : 0;
-            return Integer.compare(countB, countA);
-        });
-
         return SmartPageUtil.convert2PageResult(page, firmList);
     }
 
diff --git a/yun-admin/src/main/resources/mapper/service/ServiceApplicationsMapper.xml b/yun-admin/src/main/resources/mapper/service/ServiceApplicationsMapper.xml
index 2145325..95f6e72 100644
--- a/yun-admin/src/main/resources/mapper/service/ServiceApplicationsMapper.xml
+++ b/yun-admin/src/main/resources/mapper/service/ServiceApplicationsMapper.xml
@@ -831,11 +831,12 @@
         ORDER BY g.goods_id
     </select>
 
-    <!-- 查询律所列表（分页） -->
+    <!-- 查询律所列表（分页，按活动总数排序） -->
     <select id="getFirmActivityCount" resultType="net.lab1024.sa.admin.module.service.domain.vo.FirmActivityCountVO">
-        SELECT DISTINCT
+        SELECT 
             d.department_id AS firmId,
-            d.department_name AS firmName
+            d.department_name AS firmName,
+            COUNT(tsa.application_id) AS totalCount
         FROM t_service_applications tsa
         LEFT JOIN t_department d ON tsa.firm_id = d.department_id
         WHERE tsa.deleted_flag = 0
@@ -843,7 +844,14 @@
         <if test="queryForm.firmId != null and queryForm.firmId != ''">
             AND tsa.firm_id = #{queryForm.firmId}
         </if>
-        ORDER BY d.department_id
+        <if test="queryForm.startTime != null and queryForm.startTime != ''">
+            AND tsa.association_audit_time &gt;= #{queryForm.startTime}
+        </if>
+        <if test="queryForm.endTime != null and queryForm.endTime != ''">
+            AND tsa.association_audit_time &lt;= #{queryForm.endTime}
+        </if>
+        GROUP BY d.department_id, d.department_name
+        ORDER BY totalCount DESC
     </select>
 
     <!-- 查询指定律所下的所有律师 -->