diff --git a/src/assets/portal/tree-collapse.png b/src/assets/portal/tree-collapse.png
new file mode 100644
index 0000000..f2f03eb
Binary files /dev/null and b/src/assets/portal/tree-collapse.png differ
diff --git a/src/views/cards/patrolPlan/notstart.vue b/src/views/cards/patrolPlan/notstart.vue
index 6cbb82d..d7b296f 100644
--- a/src/views/cards/patrolPlan/notstart.vue
+++ b/src/views/cards/patrolPlan/notstart.vue
@@ -75,7 +75,9 @@
             @click="handleQuery"
             >搜索</el-button
           >
+          <!-- 添加方案按钮（汇聚门户进入的只读视图下隐藏） -->
           <el-button
+            v-if="!$store.getters.fromPortal"
             class="task-toolbar-btn"
             type="primary"
             icon="el-icon-plus"
@@ -143,7 +145,13 @@
             prop="taskCycle"
             :formatter="stateTask"
           /> -->
-          <el-table-column label="操作" align="center" width="150" :resizable="true">
+          <el-table-column
+            v-if="!$store.getters.fromPortal"
+            label="操作"
+            align="center"
+            width="150"
+            :resizable="true"
+          >
             <template slot-scope="scope">
               <el-tooltip content="立即执行" placement="bottom">
                 <i
diff --git a/src/views/cards/site_management/site_management.vue b/src/views/cards/site_management/site_management.vue
index b47316d..52a401d 100644
--- a/src/views/cards/site_management/site_management.vue
+++ b/src/views/cards/site_management/site_management.vue
@@ -70,7 +70,9 @@
         <div class="form" style="padding-top: 10px" ref="form">
           <div class="line">
             <div class="left-buttons">
+              <!-- 添加点位按钮（汇聚门户进入的只读视图下隐藏） -->
               <el-button
+                v-if="!$store.getters.fromPortal"
                 type="primary"
                 class="task-toolbar-btn"
                 @click="addAlertShow1"
@@ -83,8 +85,9 @@
                 icon="el-icon-plus"
                 >添加</el-button
               >
-              <!-- 批量删除模式切换按钮 -->
+              <!-- 批量删除模式切换按钮（汇聚门户进入的只读视图下隐藏） -->
               <el-button
+                v-if="!$store.getters.fromPortal"
                 class="task-toolbar-btn"
                 :type="batchDeleteMode ? 'info' : 'danger'"
                 @click="toggleBatchDeleteMode"
@@ -95,7 +98,7 @@
               </el-button>
               <!-- 确认删除按钮 - 仅在批量删除模式下显示 -->
               <el-button
-                v-if="batchDeleteMode"
+                v-if="batchDeleteMode && !$store.getters.fromPortal"
                 type="danger"
                 class="task-toolbar-btn"
                 @click="confirmBatchDelete"
@@ -312,7 +315,12 @@
                 </el-select>
               </template>
             </el-table-column> -->
-            <el-table-column label="操作" align="center" width="150">
+            <el-table-column
+              v-if="!$store.getters.fromPortal"
+              label="操作"
+              align="center"
+              width="150"
+            >
               <template slot-scope="scope">
                 <el-button
                   class="task-row-btn"
@@ -488,7 +496,9 @@
             <el-tabs v-model="activeTab" :stretch="true" class="right-tabs">
               <el-tab-pane label="视频设备预置点" name="first">
                 <div class="eq-a2">
+                  <!-- 绑定入口（汇聚门户进入的只读视图下隐藏） -->
                   <el-button
+                    v-if="!$store.getters.fromPortal"
                     class="task-toolbar-btn"
                     @click="visibleShow1"
                     title="一个监控点位只允许绑定一个预置点"
@@ -498,6 +508,7 @@
                     >绑定可见光监测点</el-button
                   >
                   <el-button
+                    v-if="!$store.getters.fromPortal"
                     class="task-toolbar-btn"
                     @click="infraredShow1"
                     title="一个监控点位只允许绑定一个预置点"
@@ -539,6 +550,7 @@
                     show-overflow-tooltip
                   ></el-table-column>
                   <el-table-column
+                    v-if="!$store.getters.fromPortal"
                     label="操作"
                     width="150"
                     fixed="right"
@@ -832,6 +844,7 @@
                                 >
                               </div>
                               <img
+                                v-if="!$store.getters.fromPortal"
                                 slot="reference"
                                 class="alert1_img1"
                                 src="@/assets/images/r7.png"
@@ -845,6 +858,7 @@
                               placeholder="请输入内容"
                             ></el-input>
                             <img
+                              v-if="!$store.getters.fromPortal"
                               class="alert1_img1"
                               @click="editPresetDot1"
                               src="@/assets/images/r8.png"
diff --git a/src/views/cards/taskSummary/inspectionTask.vue b/src/views/cards/taskSummary/inspectionTask.vue
index 352b8ed..491c764 100644
--- a/src/views/cards/taskSummary/inspectionTask.vue
+++ b/src/views/cards/taskSummary/inspectionTask.vue
@@ -84,8 +84,9 @@
             >下一天
             <i class="el-icon-arrow-right"></i>
           </el-button>
-          <!-- 添加批量归档按钮 -->
+          <!-- 添加批量归档按钮（汇聚门户进入的只读视图下隐藏） -->
           <el-button
+            v-if="!$store.getters.fromPortal"
             class="task-toolbar-btn task-toolbar-btn-archive"
             type="primary"
             icon="el-icon-folder-add"
@@ -115,8 +116,9 @@
           @selection-change="handleSelectionChange"
           @header-dragend="handleHeaderDragend"
         >
-          <!-- 添加复选框列 -->
+          <!-- 添加复选框列（汇聚门户进入的只读视图下隐藏） -->
           <el-table-column
+            v-if="!$store.getters.fromPortal"
             type="selection"
             width="55"
             align="center"
@@ -240,7 +242,12 @@
               </span>
             </template>
           </el-table-column>
-          <el-table-column label="操作" align="center" min-width="140">
+          <el-table-column
+            v-if="!$store.getters.fromPortal"
+            label="操作"
+            align="center"
+            min-width="140"
+          >
             <template slot-scope="scope">
               <el-button
                 class="task-row-btn"
diff --git a/src/views/portal/components/PortalDeviceTree.vue b/src/views/portal/components/PortalDeviceTree.vue
index 41bb8cd..2761208 100644
--- a/src/views/portal/components/PortalDeviceTree.vue
+++ b/src/views/portal/components/PortalDeviceTree.vue
@@ -223,7 +223,7 @@ export default {
   flex: 1;
   min-height: 0;
   overflow: auto;
-  padding: 0 0 8px;
+  padding: 8px;
   scrollbar-width: thin;
   scrollbar-color: #2f7fe8 rgba(6, 27, 79, 0.7);
 }
diff --git a/src/views/portal/index.vue b/src/views/portal/index.vue
index e4bfb20..de002fc 100644
--- a/src/views/portal/index.vue
+++ b/src/views/portal/index.vue
@@ -247,12 +247,12 @@
           <button
             type="button"
             class="tree-toggle"
-            :class="{ collapsed: !treeVisible }"
+            :class="treeVisible ? 'open' : 'collapsed'"
             :aria-expanded="String(treeVisible)"
             :title="treeVisible ? '隐藏设备树' : '显示设备树'"
             @click="toggleDeviceTree"
           >
-            <img :src="treeToggleIcon" alt="">
+            <img :src="treeVisible ? treeToggleIcon : treeCollapseIcon" alt="">
           </button>
         </div>
       </section>
@@ -282,6 +282,7 @@ import iconDonghuan from "@/assets/portal/icon-donghuan.png";
 import iconFire from "@/assets/portal/icon-fire.png";
 import iconSecurity from "@/assets/portal/icon-security.png";
 import treeToggleIcon from "@/assets/portal/tree-toggle.png";
+import treeCollapseIcon from "@/assets/portal/tree-collapse.png";
 
 const INSPECTION_CATEGORIES = ["表计", "外观", "红外"];
 const PORTAL_HLS_NO_RETRY_POLICY = {
@@ -378,6 +379,7 @@ export default {
       triangleIcon,
       enterIcon,
       treeToggleIcon,
+      treeCollapseIcon,
       navItems: [
         { key: "home", label: "首页" },
         { key: "patrol", label: "动环巡检" },
@@ -1584,6 +1586,10 @@ $panel-border: rgba(84, 130, 255, 0.22);
     filter: brightness(1.2) drop-shadow(0 0 6px rgba(32, 218, 255, 0.65));
   }
 
+  /* 树展开时：按钮贴到树面板左缘，显示收起箭头 */
+  &.open {
+    right: 38.3%;
+  }
 }
 
 :deep(.panel-select.el-select),
@@ -1820,7 +1826,8 @@ $panel-border: rgba(84, 130, 255, 0.22);
   display: block;
   width: 100%;
   height: 100%;
-  object-fit: cover;
+  /* contain：完整显示画面不裁切；树打开格子变窄时两侧留底色而不是切割视频 */
+  object-fit: contain;
   background: #050b24;
 
   &.hidden {