完善项目及大屏

src/views/ProjectScreen/components/header.vue

@@ -16,6 +16,10 @@
     </div>
     <div class="header_right">
       <div class="top-bar">
+        <!--  -->
+        <div style="margin-right: 10px;cursor: pointer;" @click="emit('changePage')">
+           <el-icon size="20"><Expand /></el-icon>
+        </div>
         <!-- 左侧：天气图标 + 日期文字 -->
         <div class="left-section">
           <div class="weather-list" @mouseenter="requestPause" @mouseleave="resumeScroll">
@@ -33,7 +37,7 @@
           <div class="bottom-block"></div>
         </div>
         <!-- 右侧：管理系统图标 + 文字 -->
-        <div class="right-section" @click="emit('changePage')">
+        <div class="right-section">
           <img src="@/assets/large/setting.png" alt="设置图标" />
           <span>管理系统</span>
         </div>