Merge branch 'dongqian/feature-20251022181325-deepmate简版' into milestone-20251031-简版功能开发

pages/deepMate/deepMate.vue

@@ -1237,7 +1237,7 @@ async function itemClick(item) {
   display: flex;
   align-items: center;
   justify-content: center;
-  background: url("/static/images/welcomeRobot.svg");
+  background: url("/static/images/welcomeRobot@2x.png");
   background-repeat: no-repeat;
   background-position: center center;
   /* 居中显示，避免顶部被裁剪 */