修改bug

src/views/news/creatNews.vue

@@ -244,7 +244,7 @@
                   <el-checkbox v-model="checked">允许用户自己填写</el-checkbox>
                 </el-form-item>
               </div>
-              <el-form-item label="创建时间: " class="custom-align-right" v-if="created_at">
+              <el-form-item label="创建时间：" class="custom-align-right" v-if="created_at">
                 <el-input v-model="created_at" autocomplete="off" disabled></el-input>
               </el-form-item>
             </div>