diff --git a/src/api/mail.ts b/src/api/mail.ts
index 1ada819..c4f7a97 100644
--- a/src/api/mail.ts
+++ b/src/api/mail.ts
@@ -32,6 +32,10 @@ export function updateContactInfo(body) {
     return request.put({ url: '/mail/contactInfo', body})
 }
 
+export function updateMailCategory(body) {
+    return request.put({ url: '/mail/mailCategory', body})
+}
+
 export function deleteMail(body) {
     return request.post({ url: '/mail/delete', body})
 }
\ No newline at end of file
diff --git a/src/assets/icons/mp4.svg b/src/assets/icons/mp4.svg
new file mode 100644
index 0000000..03dbfd3
--- /dev/null
+++ b/src/assets/icons/mp4.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1712131041791" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="10124" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M332.799002 686.081014m-332.799002 0a332.799002 332.799002 0 1 0 665.598003 0 332.799002 332.799002 0 1 0-665.598003 0Z" fill="#D3EFDE" p-id="10125"></path><path d="M883.19735 1024h-639.99808A141.055577 141.055577 0 0 1 102.399693 883.200422v-742.397772A141.055577 141.055577 0 0 1 243.19927 0.003072h516.350451a89.087733 89.087733 0 0 1 63.231811 25.599923l189.695431 189.695431A38.399885 38.399885 0 0 1 1023.996928 243.202342v639.99808a141.055577 141.055577 0 0 1-140.799578 140.799578zM243.19927 76.802842A63.999808 63.999808 0 0 0 179.199462 140.80265v742.397772A63.999808 63.999808 0 0 0 243.19927 947.20023h639.99808a63.999808 63.999808 0 0 0 63.999808-63.999808V259.074295l-179.199462-179.199463a12.799962 12.799962 0 0 0-8.447975-3.07199z" fill="#434260" p-id="10126"></path><path d="M278.527164 399.105875h40.959878L360.958917 512.001536c5.119985 15.103955 9.727971 30.463909 15.103955 45.823863h1.535995c5.119985-15.359954 9.471972-30.719908 14.847956-45.823863l40.959877-114.175657h41.215876v226.047321h-33.535899V512.001536c0-20.223939 2.815992-49.407852 4.607986-69.88779l-18.175946 51.199846-39.423881 107.775677h-22.015934l-40.959877-105.727683-17.919947-51.199846c1.535995 20.479939 4.351987 49.663851 4.351987 69.88779v111.871664h-33.023901zM533.502399 399.105875h68.351795c51.199846 0 86.271741 17.151949 86.271742 68.095795s-35.839892 72.191783-84.991745 72.191784h-34.047898v85.759743h-35.583894zM599.806201 512.001536c36.351891 0 53.503839-13.823959 53.503839-43.519869s-18.687944-39.679881-54.527836-39.679881h-29.695911V512.001536zM868.349395 563.201382h-28.927913v60.927818H806.397581V563.201382h-97.791707v-23.551929l89.855731-141.567575h40.703878V537.601459h28.927913z m-61.951814-25.599923v-59.90382c0-12.287963 0-31.231906 1.791994-43.51987-5.631983 11.263966-11.775965 23.039931-18.175945 34.815896L744.189767 537.601459z" fill="#434260" p-id="10127"></path></svg>
\ No newline at end of file
diff --git a/src/components/FileList.vue b/src/components/FileList.vue
index 9ff7b8d..8f52cea 100644
--- a/src/components/FileList.vue
+++ b/src/components/FileList.vue
@@ -100,6 +100,11 @@
                     @click.stop
                 ></audio>
             </template>
+            <template v-else-if="activeFile.type.indexOf('video') > -1">
+                <video controls @click.stop style="max-height: 100vh">
+                    <source :src="`${VITE_API_URL}/api/file/stream/${activeFile.filepath}`" type="video/mp4">
+                </video>
+            </template>
             <template v-else-if="activeFile.type.indexOf('word') > -1">
                 <vue-office-docx
                     :src="getDocFilepath()"
@@ -338,6 +343,11 @@ function getIconName(filetype) {
     ) {
         return "local-icon-xls";
     }
+    if (
+        filetype.indexOf("video") > -1
+    ) {
+        return "local-icon-mp4";
+    }
     return "el-icon-document";
 }
 
diff --git a/src/components/Upload.vue b/src/components/Upload.vue
index d183adf..7495deb 100644
--- a/src/components/Upload.vue
+++ b/src/components/Upload.vue
@@ -37,7 +37,7 @@ const props = defineProps({
     },
     accept: {
         type: String,
-        default: "image/*,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/pdf,application/vnd.ms-excel,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,audio/mpeg,audio/mp4a-latm",
+        default: "image/*,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/pdf,application/vnd.ms-excel,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,audio/mpeg,audio/mp4a-latm,video/*",
     }
 });
 
diff --git a/src/views/work/Query.vue b/src/views/work/Query.vue
index 5ac02eb..bbd7840 100644
--- a/src/views/work/Query.vue
+++ b/src/views/work/Query.vue
@@ -194,7 +194,7 @@
                         </template>
                     </el-table-column>
                     <el-table-column prop="mailLabels" label="信件标签" width="160" align="center" />
-                    <el-table-column label="操作" width="160" fixed="right">
+                    <el-table-column label="操作" width="164" fixed="right">
                         <template #default="{ row }">
                             <el-button type="primary" link @click="handleMail(row.id)" size="small">详情</el-button>
                             <el-button type="primary" link @click="handleMailLabel(row.id)" size="small" v-show="!IsdeleteMail(row)">标签</el-button>
@@ -235,12 +235,11 @@ import MailTodoByChangeVue from "./components/MailTodoByChange.vue";
 import { getMails } from "@/api/work";
 import { useDictData } from "@/hooks/useDictOptions";
 import useMailStore from "@/stores/modules/mail";
-import { formatTimeText, getDictLable, getFlowTagType } from "@/utils/util";
+import { getDictLable, getFlowTagType } from "@/utils/util";
 import { useDictOptions } from '@/hooks/useDictOptions'
 import { deptLists } from '@/api/org/department'
 import { labelLists } from '@/api/org/label'
 import { getFlowNodes } from '@/api/org/flowNode'
-import { ElMessage, ElTable } from "element-plus";
 import { getToken } from '@/utils/auth'
 import axios from 'axios'
 import { useRouterParamsStore } from "@/stores/modules/routerParams";
diff --git a/src/views/work/components/MailDialog.vue b/src/views/work/components/MailDialog.vue
index 668952c..c0ec1e8 100644
--- a/src/views/work/components/MailDialog.vue
+++ b/src/views/work/components/MailDialog.vue
@@ -105,20 +105,36 @@
                             </div>
                         </div>
                         <div ref="mailInfoRef">
-                            <div class="col mb-10" v-if="mail.mailCategory">
-                                <label style="width: 56px">信件分类</label>
-                                <span style="width: calc(100% - 74px)">
-                                    <span v-if="mail.mailFirstCategory">{{
-                                        mail.mailFirstCategory
-                                    }}</span>
-                                    <span v-if="mail.mailSecondCategory">{{
-                                        " > " + mail.mailSecondCategory
-                                    }}</span>
-                                    <span v-if="mail.mailThreeCategory">{{
-                                        " > " + mail.mailThreeCategory
-                                    }}</span>
-                                </span>
-                            </div>
+                            <template v-if="mail.mailCategory">
+                                <div class="col mb-10" >
+                                    <label style="width: 56px">信件分类</label>
+                                    <span style="width: calc(100% - 74px)">
+                                        <mail-category-select v-model="form.mailCategory" @current-change="handleCategoryChange" size="small" v-if="mailCategoryEditable" />
+                                        <template v-else>
+                                            <span v-if="mail.mailFirstCategory">{{
+                                                mail.mailFirstCategory
+                                            }}</span>
+                                            <span v-if="mail.mailSecondCategory">{{
+                                                " > " + mail.mailSecondCategory
+                                            }}</span>
+                                            <span v-if="mail.mailThreeCategory">{{
+                                                " > " + mail.mailThreeCategory
+                                            }}</span>
+                                        </template>
+
+                                    </span>
+                                </div>
+                                <div class="flex end" v-perms="['mail:updateMailCategory']">
+                                    <div v-if="mailCategoryEditable">
+                                        <el-button size="small" @click="mailCategoryEditable = false">取消</el-button
+                                        >
+                                        <el-button size="small" type="primary" @click="handleUpdateMailCategory">提交</el-button
+                                        >
+                                    </div>
+                                    <el-button type="primary" size="small" plain v-else @click="handleMailCategoryEditable">修改信件分类</el-button>
+                                </div>
+                            </template>
+                            
                             <div
                                 class="col"
                                 v-if="mail.mailLevel"
@@ -493,7 +509,7 @@ import ExtensionApprovalReturn from "./ExtensionApprovalReturn.vue";
 
 import RemainingTime from "./RemainingTime.vue";
 
-import { getMailFlowDetail, flowNext, extensionApproval } from "@/api/mail";
+import { getMailFlowDetail, flowNext, extensionApproval, updateMailCategory } from "@/api/mail";
 import { getMailDetail } from "@/api/work";
 import { addFav, delFav } from "@/api/work/fav";
 import { useDictData } from "@/hooks/useDictOptions";
@@ -864,6 +880,42 @@ function getFlowHandler(item) {
     }
     return `${item.handlerDeptName} ${item.handlerName}`;
 }
+
+const mailCategoryEditable = ref(false);
+const form = reactive({});
+function handleMailCategoryEditable() {
+    mailCategoryEditable.value = true
+    form.mailId = props.mailId
+    form.mailCategory = mail.value.mailCategory;
+    form.mailFirstCategory = mail.value.mailFirstCategory;
+    form.mailSecondCategory = mail.value.mailSecondCategory;
+    form.mailThreeCategory = mail.value.mailThreeCategory;
+}
+function handleCategoryChange(data, node) {
+    if (node.level === 1) {
+        form.mailFirstCategory = data.label;
+        form.mailSecondCategory = null;
+        form.mailThreeCategory = null;
+    }
+    debugger
+    if (node.level === 2) {
+        form.mailFirstCategory = node.parent.data.label;
+        form.mailSecondCategory = data.label;
+        form.mailThreeCategory = null;
+    }
+    if (node.level === 3) {
+        form.mailFirstCategory = node.parent.parent.data.label;
+        form.mailSecondCategory = node.parent.data.label;
+        form.mailThreeCategory = data.label;
+    }
+}
+
+function handleUpdateMailCategory() {
+    updateMailCategory(form).then(() => {
+        mailCategoryEditable.value = false
+        getDetail()
+    })
+}
 </script>
 <style lang="scss" scoped>
 .dialog-header {
diff --git a/src/views/work/components/templates/MailTypeForm.vue b/src/views/work/components/templates/MailTypeForm.vue
index 9511c2a..9038358 100644
--- a/src/views/work/components/templates/MailTypeForm.vue
+++ b/src/views/work/components/templates/MailTypeForm.vue
@@ -131,7 +131,7 @@ function handleCategoryChange(data, node) {
     }
     if (node.level === 2) {
         form.mailFirstCategory = node.parent.data.label;
-        form.mailSecondCategory = data.id;
+        form.mailSecondCategory = data.label;
         form.mailThreeCategory = null;
     }
     if (node.level === 3) {
diff --git a/src/views/work/components/templates/ThreeHandlingDetail.vue b/src/views/work/components/templates/ThreeHandlingDetail.vue
index 61388d5..d4c461d 100644
--- a/src/views/work/components/templates/ThreeHandlingDetail.vue
+++ b/src/views/work/components/templates/ThreeHandlingDetail.vue
@@ -28,7 +28,7 @@
                 </div>
             </div>
         </el-collapse-item>
-        <el-collapse-item title="联系群众/领导接访情况" name="2">
+        <el-collapse-item title="联系群众/领导接访情况" name="2" v-if="mail.contactPoliceName">
             <div class="flex mb-12" v-if="mail.contactPoliceName">
                 <div class="col" v-if="mail.mainDeptSignTime">
                     <label>主单位签收时长</label>