事件详情页，反馈信息输入超长字符，发送提示：操作失败

src/views/eventdetailsdialog.vue

@@ -175,7 +175,7 @@
                             </div>
                             <div class="z-info-btm-input">
                               <el-input type="textarea" v-model="eventLog" :autosize="{ minRows: 7, maxRows: 7}"
-                                        placeholder="请输入反馈信息">
+                                        :maxlength="500" placeholder="请输入反馈信息">
                               </el-input>
                               <div class="z-info-btm-input-btn" v-if="eventStatusValue=='forest_event_status_1'">
                                 <div style="text-align:left">

src/views/firespread.vue

@@ -164,7 +164,7 @@
                             </div>
                             <div class="z-info-btm-input">
                               <el-input type="textarea" v-model="eventLog" :autosize="{ minRows: 7, maxRows: 7}"
-                                        placeholder="请输入反馈信息">
+                                        :maxlength="500" placeholder="请输入反馈信息">
                               </el-input>
                               <div class="z-info-btm-input-btn" v-if="eventStatusValue=='forest_event_status_1'">
                                 <div style="text-align:left">