diff --git a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java
index 642c8e6..1485307 100644
--- a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java
+++ b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java
@@ -190,7 +190,8 @@ public class CrmReceivableServiceImpl implements CrmReceivableService {
             return null;
         }
         CrmReceivablePlanDO receivablePlan = receivablePlanService.getReceivablePlan(planId);
-        return receivablePlan.getPeriod();
+        // 计划已被删除时查询返回 null：期数返回 null，避免 NPE 导致删除/更新回款失败
+        return receivablePlan == null ? null : receivablePlan.getPeriod();
     }
 
     @Override