语法错误

src/views/system/user.vue

@@ -962,21 +962,21 @@ export default {
             type: "error",
             message: "请选择参与项目!"
           })
-          return tag = false
+          return
         }
         if (!this.fromss.contractId) {
           this.$message({
             type: "error",
             message: "请选择合同段!"
           })
-          return tag = false
+          return
         }
         if (!this.fromss.roleIds) {
           this.$message({
             type: "error",
             message: "请选择用户类型!"
           })
-          return tag = false
+          return
         }
         if (tag) {
           this.saveUserInfoByProjectTow([{