diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaintenanceConfirmBillPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaintenanceConfirmBillPlugin.java
index 2a42702..d20441f 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaintenanceConfirmBillPlugin.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/MaintenanceConfirmBillPlugin.java
@@ -5,6 +5,7 @@ import kd.bos.dataentity.entity.DynamicObject;
 import kd.bos.entity.datamodel.events.ChangeData;
 import kd.bos.entity.datamodel.events.PropertyChangedArgs;
 import kd.bos.form.field.BasedataEdit;
+import kd.bos.form.field.TextEdit;
 import kd.bos.form.field.events.BeforeF7SelectEvent;
 import kd.bos.form.field.events.BeforeF7SelectListener;
 import kd.bos.list.ListShowParameter;
@@ -19,6 +20,7 @@ import java.util.EventObject;
  * 设备维修确认单表单插件
  * 说明 1：过滤合同名称字段
  * 2：结算期间初始化赋值
+ * 3：供应商赋值和必录逻辑
  */
 public class MaintenanceConfirmBillPlugin extends AbstractBillPlugIn implements BeforeF7SelectListener {
     @Override
@@ -56,6 +58,22 @@ public class MaintenanceConfirmBillPlugin extends AbstractBillPlugIn implements
             if (newValue == null || !newValue.equals(oldValue)) {
                 this.getModel().setValue("zcgj_contract", null);//清空合同名称
             }
+        } else if ("zcgj_contract".equals(key)) {
+            //合同名称
+            ChangeData[] changeSet = e.getChangeSet();
+            ChangeData changeData = changeSet[0];
+            Object newValue = changeData.getNewValue();//新值
+            if (newValue != null) {
+                DynamicObject zcgj_contract = (DynamicObject) newValue;//合同名称
+                Object partb = zcgj_contract.get("partb");//合同名称-合同乙方
+                this.getModel().setValue("zcgj_partb", partb);
+                BasedataEdit edit = this.getView().getControl("zcgj_partb");//供应商
+                edit.setMustInput(partb != null);
+            } else {
+                this.getModel().setValue("zcgj_partb", null);//清空供应商
+                BasedataEdit edit = this.getView().getControl("zcgj_partb");
+                edit.setMustInput(false);// 设置非必录
+            }
         }
     }