fix(@gms/gms-plugin-billexpand): 单据加载完后报错导致没有oldbilldata

develop/@gms/gms-plugin-billexpand/src/components-control/add-info-modal.vue

@@ -231,7 +231,13 @@ export default {
       }, 100);
     },
     setFieldFromMaster(bill){
-      if(!this.actionParam.param.masterFields) return
+      if(
+        !this.actionParam
+        || !this.actionParam.param
+        || !this.actionParam.param.masterFields
+      ) {
+        return
+      }
       let obj = this.actionParam.param.masterFields.find(
         (v) => v.billName == this.selectBill
       );