fix(uploader): android demo style

src/packages/__VUE/uploader/index.scss

@@ -46,8 +46,8 @@
       position: absolute;
       left: 0;
       top: 0;
-      bottom: 0;
-      right: 0;
+      width: 100%;
+      height: 100%;
       background: rgba(0, 0, 0, 0.6);
       display: flex;
       flex-direction: column;