优化用户表单

web_src/src/components/dialog/addUser.vue

@@ -14,8 +14,8 @@
           <el-form-item label="用户名" prop="username">
             <el-input v-model="username" autocomplete="off"></el-input>
           </el-form-item>
-          <el-form-item label="用户类型" prop="roleId">
-            <el-select v-model="roleId"   placeholder="请选择">
+          <el-form-item label="用户类型" prop="roleId" >
+            <el-select v-model="roleId"  placeholder="请选择" style="width: 100%">
               <el-option
                 v-for="item in options"
                 :key="item.id"