fix: 分期问题自测修复。

ruoyi-modules/intc-invest/src/main/java/com/ruoyi/invest/service/impl/InstallmentHistoryServiceImpl.java

@@ -202,7 +202,10 @@ public class InstallmentHistoryServiceImpl implements IInstallmentHistoryService
                         installmentHistory.setCloseDate(calendarStart.getTime());
                     }
                 }
-
+                //如果结清状态为已结清，关闭日期加入
+                if(installmentHistory.getState().equals("1")){
+                    installmentHistory.setCloseDate(calendarStart.getTime());
+                }
               //更新利率信息
                updateInterestRate(installmentHistory);
             }