优化了feeOntroller的未交费的判断条件

HMS/src/main/java/com/hqyj/seven/controller/FeeController.java

@@ -133,7 +133,7 @@ public class FeeController {
         //添加分页功能
         PageData<Fee> feeList = feeService.queryAllId(number, size, id, "未缴费");
         Map<String, Object> fee = new HashMap<>();
-        if (feeList.getList() == null) {
+        if (feeList.getList().size()== 0 ) {
             fee.put("code", -1);
             fee.put("msg", "没有条件为" + id + "的未缴费信息");
             fee.put("data",feeList);