还款限制修改

src/main/java/com/jqtx/windows/command/BackedCommandnew.java

 package com.jqtx.windows.command;
 
 
+import cn.hutool.core.lang.Assert;
 import com.alibaba.fastjson.JSONObject;
 import com.jqtx.windows.common.exception.BizException;
 import com.jqtx.windows.common.factory.AbstractCommand;
@@ -51,9 +52,7 @@ public class BackedCommandnew {
     public JsonResult execute(BackedRequest backedRequest) {
         //查询还款编号
         RepayModel repayModel = loanRepayComponent.getByBackedNo(backedRequest.getBackedNo());
-        if (repayModel!=null){
-            throw new BizException("还款单已存在！");
-        }
+        Assert.isFalse(repayModel != null, "还款单已存在！");
         //生成 windows_repay 信息
         creditRepay(backedRequest);
         //生成 windows_backed_detail 信息