项目商机品牌是否由提报人植入，默认不选

src/Form/projectChange/add.vue

@@ -303,7 +303,7 @@ export default {
       },
       form:{
         sa_projectid:0,
-        isfillbrangd:'0',
+        isfillbrangd:'',
         squarestage:"",
         projectname:"",
         projectnum:"",