diff --git a/LanSheng/LanShengAPI/Controllers/DeviceController.cs b/LanSheng/LanShengAPI/Controllers/DeviceController.cs
index 3c1f7b4..eb23ada 100644
--- a/LanSheng/LanShengAPI/Controllers/DeviceController.cs
+++ b/LanSheng/LanShengAPI/Controllers/DeviceController.cs
@@ -103,11 +103,11 @@ namespace LanShengAPI.Controllers
 
         [HttpGet("DeviceErrorList")]
 
-        public async Task<ActionResult> DeviceErrorList()
+        public async Task<ActionResult> DeviceErrorList([FromQuery] string search = "")
         {
             try
             {
-                return Ok(await DeviceService.GetErrorList());
+                return Ok(await DeviceService.GetErrorList(search));
             }
             catch (BadRequestException ex)
             {
diff --git a/LanSheng/LanShengInterface/IDeviceService.cs b/LanSheng/LanShengInterface/IDeviceService.cs
index 3cd8a4f..dd07642 100644
--- a/LanSheng/LanShengInterface/IDeviceService.cs
+++ b/LanSheng/LanShengInterface/IDeviceService.cs
@@ -39,6 +39,6 @@ namespace LanShengInterface
         /// <returns></returns>
         Task<DeviceErrorReport> GetDeviceErrorReport(DeviceErrorReport report);
 
-        Task<IEnumerable<DeviceError>> GetErrorList();
+        Task<IEnumerable<DeviceError>> GetErrorList(string search);
     }
 }
diff --git a/LanSheng/LanShengService/DeviceService.cs b/LanSheng/LanShengService/DeviceService.cs
index 65e5dc1..e5b3f16 100644
--- a/LanSheng/LanShengService/DeviceService.cs
+++ b/LanSheng/LanShengService/DeviceService.cs
@@ -1423,15 +1423,24 @@ namespace LanShengService
             return Task.FromResult(result);
         }
 
-        public async Task<IEnumerable<DeviceError>> GetErrorList() {
-            return await Db.Queryable<DeviceError>()
+        public async Task<IEnumerable<DeviceError>> GetErrorList(string search) {
+            var _Query = Db.Queryable<DeviceError>()
+                .WhereIF(!string.IsNullOrWhiteSpace(search), x => x.ErrCode!.Contains(search) || x.ErrMsg!.Contains(search))
+                .Distinct()
                 .Select(x => new DeviceError
                 {
                     ErrCode = x.ErrCode,
                     ErrMsg = x.ErrMsg
-                }).Distinct()
+                })
                 .SplitTable(DateTime.Now.AddYears(-1), DateTime.Now)
-                .ToListAsync();
+                .Distinct()
+                .Select(x => new DeviceError
+                {
+                    ErrCode = x.ErrCode,
+                    ErrMsg = x.ErrMsg
+                });
+            var _Sql = _Query.ToSqlString();
+            return await _Query.ToListAsync();
         }
         #endregion
     }