diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractMeasureBillEditExtPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractMeasureBillEditExtPlugin.java
index de322b9..f7ffa24 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractMeasureBillEditExtPlugin.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/OutContractMeasureBillEditExtPlugin.java
@@ -9,14 +9,17 @@ public class OutContractMeasureBillEditExtPlugin extends OutContractMeasureBillE
     protected void controlCostMustInput() {
         super.controlCostMustInput();
         DynamicObject contract = this.getModel().getDataEntity().getDynamicObject("contract");
-        String number = contract.getDynamicObject("contracttype").getString("number");
-        if (number .equals("wzcg01")||number.equals("sbcg")||number.equals("jjfb")){
-            BasedataEdit basedataEdit = (BasedataEdit)this.getControl("listcbs");
-            basedataEdit.setMustInput(false);
-            basedataEdit = (BasedataEdit)this.getControl("cbs");
-            basedataEdit.setMustInput(false);
-            this.getView().setVisible(false,"listcbs");
-            this.getView().setVisible(false,"cbs");
+        if(contract!=null){
+            String number = contract.getDynamicObject("contracttype").getString("number");
+            if (number .equals("wzcg01")||number.equals("sbcg")||number.equals("jjfb")){
+                BasedataEdit basedataEdit = (BasedataEdit)this.getControl("listcbs");
+                basedataEdit.setMustInput(false);
+                basedataEdit = (BasedataEdit)this.getControl("cbs");
+                basedataEdit.setMustInput(false);
+                this.getView().setVisible(false,"listcbs");
+                this.getView().setVisible(false,"cbs");
+            }
         }
+
     }
 }