diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/controller/WorkTankController.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/controller/WorkTankController.java
index 1cbd358d..d5dc782c 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/controller/WorkTankController.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/controller/WorkTankController.java
@@ -360,12 +360,14 @@ public class WorkTankController extends BladeController {
         
         for (int i = 0; i < fields.length; i++) {
             String field = fields[i].trim();
-            String convertedField = switch (field.toUpperCase()) {
-                case "OP_USER_REAL_NAME" -> "UPDATE_TIME";  // 操作人姓名转换为更新时间排序
-                // 可以在此添加更多字段映射
-                // case "OTHER_FIELD" -> "ACTUAL_COLUMN";
-                default -> field;  // 其他字段保持不变
-            };
+            String convertedField;
+            String upperField = field.toUpperCase();
+
+            if ("OP_USER_REAL_NAME".equals(upperField)) {
+                convertedField = "UPDATE_TIME";
+            } else {
+                convertedField = field;
+            }
             
             result.append(convertedField);
             if (i < fields.length - 1) {