diff --git a/netcore/src/Modularity/Extend/NCC.Extend/LqKhxxService.cs b/netcore/src/Modularity/Extend/NCC.Extend/LqKhxxService.cs
index 7d1d0d6..3951230 100644
--- a/netcore/src/Modularity/Extend/NCC.Extend/LqKhxxService.cs
+++ b/netcore/src/Modularity/Extend/NCC.Extend/LqKhxxService.cs
@@ -603,9 +603,26 @@ namespace NCC.Extend.LqKhxx
             // 构建查询条件
             var sidx = input.sidx == null ? "F_Id" : input.sidx;
             // 将前端字段名映射到数据库字段名
-            if (sidx == "id") sidx = "F_Id";
-            if (sidx == "khmc") sidx = "khmc";
-            if (sidx == "zcsj") sidx = "zcsj";
+            var fieldMapping = new Dictionary<string, string>
+            {
+                { "id", "F_Id" },
+                { "khmc", "khmc" },
+                { "sjh", "sjh" },
+                { "dah", "dah" },
+                { "xb", "xb" },
+                { "zcsj", "zcsj" },
+                { "khlx", "khlx" },
+                { "khjd", "khjd" },
+                { "khxf", "khxf" },
+                { "xfpc", "xfpc" },
+                { "yanglsr", "yanglsr" }
+            };
+            if (fieldMapping.ContainsKey(sidx))
+            {
+                sidx = fieldMapping[sidx];
+            }
+            // 确保 sort 参数不为空
+            var sortOrder = string.IsNullOrEmpty(input.sort) ? "desc" : input.sort;
             List<string> queryZcsj = input.zcsj != null ? input.zcsj.Split(',').ToObeject<List<string>>() : null;
             DateTime? startZcsj = queryZcsj != null ? Ext.GetDateTime(queryZcsj.First()) : null;
             DateTime? endZcsj = queryZcsj != null ? Ext.GetDateTime(queryZcsj.Last()) : null;
@@ -634,7 +651,7 @@ namespace NCC.Extend.LqKhxx
                 .WhereIF(queryYanglsr != null, p => p.Yanglsr >= new DateTime(startYanglsr.ToDate().Year, startYanglsr.ToDate().Month, startYanglsr.ToDate().Day, 0, 0, 0))
                 .WhereIF(queryYanglsr != null, p => p.Yanglsr <= new DateTime(endYanglsr.ToDate().Year, endYanglsr.ToDate().Month, endYanglsr.ToDate().Day, 23, 59, 59))
                 .Where(p => p.IsEffective == StatusEnum.有效.GetHashCode())
-                .OrderBy(sidx + " " + input.sort)
+                .OrderBy(sidx + " " + sortOrder)
                 .ToListAsync();
 
             if (customerList == null || !customerList.Any())