修复BUG

zhywpt-service-inss/src/main/java/cn/com/taiji/inss/manager/vfj/AbstractHandleManager.java

@@ -65,7 +65,7 @@ public abstract class AbstractHandleManager extends AbstractManager {
                 redisWrapManager.delete(VFJ_SESSION_ID_KEY);
                 return this.excute(req);
             } else if (vfjResponse.getCode().equals("0000")) {
-                return vfjResponse.getBuzzData();
+                return hasText(vfjResponse.getBuzzData()) ? vfjResponse.getBuzzData() : "{}";
             } else {
                 throw GlyServiceError.BUSINESS_VALIDATE_ERR.toHandleException("接口错误：" + vfjResponse.getMsg());
             }