方案管理-灯组配置，给前端返回错误信息

signal-control-service/src/main/java/net/wanji/web/controller/scheme/CrossConfigController.java

@@ -43,7 +43,7 @@ public class CrossConfigController {
             crossConfigService.saveLaneInfo(saveLaneInfoDTO);
         } catch (Exception e) {
             JsonViewObject jsonViewObject = JsonViewObject.newInstance();
-            return jsonViewObject.fail(e.getMessage());
+            return jsonViewObject.fail(e.getStackTrace().toString());
         }
         JsonViewObject jsonViewObject = JsonViewObject.newInstance();