增加图标

src/views/Shelf/index.ux

@@ -29,7 +29,12 @@
         >
           <text>共{{ booksize }}本</text>
           <div if="modeText" @click="changeMode">
-            <text> </text>
+            <text>
+              <image
+                src="../../assets/imgs/manage.png"
+                class="modeimage"
+              ></image>
+            </text>
             <text class="administration-btn">{{ modeText }}</text>
           </div>
           <div if="!modeText" @click="changeMode">