diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractFromPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractFromPlugin.java
index 182ea95..3ddfdd7 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractFromPlugin.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractFromPlugin.java
@@ -36,6 +36,9 @@ public class OutContractFromPlugin extends AbstractBillPlugIn implements Plugin
         if (changeName.equals(contracttype)) {//收入合同字段值改变
             //合同类型
             DynamicObject contractType = (DynamicObject)changeData.getNewValue();
+            if (contractType==null){
+                return;
+            }
             String number = contractType.getString("number");
             List<ComboItem> comboList = new ArrayList<>();
             List<ComboItem> comboList1 = new ArrayList<>();