diff --git a/src/assets/images/login-background.jpeg b/src/assets/images/login-background.jpeg
new file mode 100644
index 0000000..67433e1
Binary files /dev/null and b/src/assets/images/login-background.jpeg differ
diff --git a/src/assets/images/login-background.jpg b/src/assets/images/login-background1.jpg
similarity index 100%
rename from src/assets/images/login-background.jpg
rename to src/assets/images/login-background1.jpg
diff --git a/src/assets/images/login-background3.jpeg b/src/assets/images/login-background3.jpeg
new file mode 100644
index 0000000..399cb39
Binary files /dev/null and b/src/assets/images/login-background3.jpeg differ
diff --git a/src/assets/video/homepage.mp4 b/src/assets/video/homepage.mp4
new file mode 100644
index 0000000..ae43f45
Binary files /dev/null and b/src/assets/video/homepage.mp4 differ
diff --git a/src/layout/index.vue b/src/layout/index.vue
index 3ddb165..447b960 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -108,4 +108,6 @@ function setLayout() {
 .mobile .fixed-header {
   width: 100%;
 }
+
+
 </style>
\ No newline at end of file
diff --git a/src/views/index.vue b/src/views/index.vue
index 349e6d4..b1215cf 100644
--- a/src/views/index.vue
+++ b/src/views/index.vue
@@ -1,6 +1,8 @@
 <template>
   <div class="app-container home">
-
+      <video autoplay loop muted id="bgvid" class="home-page-video">
+        <source src="../assets/video/homepage.mp4" type="video/mp4">
+      </video>
   </div>
 </template>
 
@@ -73,6 +75,20 @@ function goTarget(url) {
       padding-inline-start: 40px;
     }
   }
+  
+  .home-page-video{
+    position: fixed;
+    top: 50%;
+    left: 50%;
+    min-width: 100%;
+    min-height: 100%;
+    width: auto;
+    height: auto;
+    transform: translateX(-50%) translateY(-50%);
+    z-index: -100;
+}
+  
 }
 </style>
 
+
diff --git a/src/views/login.vue b/src/views/login.vue
index fa61fc4..14af785 100644
--- a/src/views/login.vue
+++ b/src/views/login.vue
@@ -156,7 +156,7 @@ getCookie();
   justify-content: center;
   align-items: center;
   height: 100%;
-  background-image: url("../assets/images/login-background.jpg");
+  background-image: url("../assets/images/login-background.jpeg");
   background-size: cover;
 }
 .title {
diff --git a/src/views/model/alert/deviceparamalert.vue b/src/views/model/alert/deviceparamalert.vue
index f322d5a..ba9266f 100644
--- a/src/views/model/alert/deviceparamalert.vue
+++ b/src/views/model/alert/deviceparamalert.vue
@@ -73,17 +73,17 @@
           @click="handleDelete"
         >删除</el-button>
       </el-col>
-      <el-col :span="1.5">
+      <!-- <el-col :span="1.5">
         <el-button
           type="warning"
           icon="Download"
           @click="handleExport"
         >导出</el-button>
-      </el-col>
+      </el-col> -->
       <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
     </el-row>
 
-    <el-table v-loading="loading" :data="alertList">
+    <el-table ref="deviceParamsTable" v-loading="loading" :data="alertList">
       <el-table-column type="selection" width="55" align="center" />
       <!-- <el-table-column label="主键" align="center" prop="id" /> -->
       <el-table-column label="中台设备ID" align="center" prop="deviceUuid" />
@@ -586,7 +586,28 @@ function submitForm() {
 }
 
 /** 删除按钮操作 */
-function handleDelete(row) {
+function handleDelete() {
+  const rows = proxy.$refs.deviceParamsTable.getSelectionRows();
+  let names = "";
+  let _ids = [];
+  rows.forEach(item=>{
+    _ids.push(item.id);
+    if(names == ""){
+      names = item.deviceName + item.paramName;
+    }else{
+      names = names + "," + item.deviceName + item.paramName;
+    }
+  })
+  proxy.$modal.confirm('是否确认删除设备参数名称为"' + names + '"的数据项？').then(function() {
+    return delAlert(_ids);
+  }).then(() => {
+    getList();
+    proxy.$modal.msgSuccess("删除成功");
+  }).catch(() => {});
+}
+
+/** 删除按钮操作 */
+function handleDeleteRow(row) {
   const _ids = row.id || ids.value;
   proxy.$modal.confirm('是否确认删除设备告警编号为"' + _ids + '"的数据项？').then(function() {
     return delAlert(_ids);
diff --git a/src/views/register.vue b/src/views/register.vue
index b51074c..b144dab 100644
--- a/src/views/register.vue
+++ b/src/views/register.vue
@@ -159,7 +159,7 @@ getCode();
   justify-content: center;
   align-items: center;
   height: 100%;
-  background-image: url("../assets/images/login-background.jpg");
+  background-image: url("../assets/images/login-background.jpeg");
   background-size: cover;
 }
 .title {