diff --git a/src/YhCore.WebApi/Controllers/Api/Com/LogController.cs b/src/YhCore.WebApi/Controllers/Api/Com/LogController.cs
index 8fc2dc6..0026fb7 100644
--- a/src/YhCore.WebApi/Controllers/Api/Com/LogController.cs
+++ b/src/YhCore.WebApi/Controllers/Api/Com/LogController.cs
@@ -1,3 +1,4 @@
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using YhCore.Common;
 using YhCore.Common.UserContext;
@@ -22,30 +23,30 @@ namespace YhCore.WebApi.Controllers.Api
         }
 
         /// <summary>
-        /// 系统操作日志搜索（对应 Java GET /api/log/systemSearch）。
+        /// 系统操作日志搜索（对应 Java GET /api/log/systemSearch，全量日志）。
         /// </summary>
         /// <param name="keyword">关键字（可空）</param>
         /// <param name="page">页码，从 0 开始（对应 Spring Pageable.page）</param>
         /// <param name="size">每页大小（对应 Spring Pageable.size）</param>
         [HttpGet("systemSearch")]
-        public PageVO<SysOperationLog> SystemSearch(
+        public Task<PageVO<SysOperationLog>> SystemSearch(
             [FromQuery] string keyword,
             [FromQuery] int page = 0,
             [FromQuery] int size = 20)
         {
-            return _logService.Search(UserContextHolder.GetSchId(), keyword, true, page, size);
+            return _logService.SearchAsync(UserContextHolder.GetSchId(), keyword, true, page, size);
         }
 
         /// <summary>
-        /// 操作日志搜索（对应 Java GET /api/log/search）。
+        /// 操作日志搜索（对应 Java GET /api/log/search，排除查询类）。
         /// </summary>
         [HttpGet("search")]
-        public PageVO<SysOperationLog> Search(
+        public Task<PageVO<SysOperationLog>> Search(
             [FromQuery] string keyword,
             [FromQuery] int page = 0,
             [FromQuery] int size = 20)
         {
-            return _logService.Search(UserContextHolder.GetSchId(), keyword, false, page, size);
+            return _logService.SearchAsync(UserContextHolder.GetSchId(), keyword, false, page, size);
         }
     }
 }
diff --git a/src/YhCore.WebApi/Startup.cs b/src/YhCore.WebApi/Startup.cs
index 8c3946b..c68f92a 100644
--- a/src/YhCore.WebApi/Startup.cs
+++ b/src/YhCore.WebApi/Startup.cs
@@ -108,8 +108,8 @@ namespace YhCore.WebApi
             // Redis 缓存（RedisUtil 单例，连接串取 Redis:ConnectionString）
             services.AddRedisCache(Configuration);
 
-            // 框架期占位实现；业务实现就绪后在 Extensions 中统一替换注册
-            services.AddScoped<ILogService, LogServiceStub>();
+            // 审计日志查询（sys_operation_log 分页搜索，LogServiceStub 已被真实实现替换）
+            services.AddScoped<ILogService, LogService>();
 
             // ===== DocPrint 业务服务（对应旧 BestSchool.Service / BestSchool.DocPrint） =====
             services.AddScoped<IDictionaryService, DictionaryService>();