adjust dialog position

src/views/room/gambleMember/index.vue

       </el-pagination>
     </div>
 
-    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
+    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible" center>
       <el-form :rules="rules" ref="dataForm" :model="temp" label-position="left" label-width="100px" style='width: 400px; margin-left:50px;'>
         <el-form-item v-if="dialogStatus=='deposit'" label="ID" prop="id">
           <el-input v-model="temp.id" :disabled="true"></el-input>