diff --git a/src/assets/icons/png/fullScreenEnter.png b/src/assets/icons/png/fullScreenEnter.png
new file mode 100644
index 0000000..3adf3e6
Binary files /dev/null and b/src/assets/icons/png/fullScreenEnter.png differ
diff --git a/src/components/map-toolbar.vue b/src/components/map-toolbar.vue
index f7e6d74..5a94b6a 100644
--- a/src/components/map-toolbar.vue
+++ b/src/components/map-toolbar.vue
@@ -148,7 +148,9 @@ defineOptions({
       <a-button class="icon-btn tool-btn" size="small" :title="'缩小'" @click="zoomOut">
         <img src="/src/assets/icons/png/shrink.png" alt="缩小" class="toolbar-icon" />
       </a-button>
-      <a-button class="icon-btn tool-btn" size="small" :title="'定位'" @click="locateCenter"> 定位 </a-button>
+      <a-button class="icon-btn tool-btn" size="small" :title="'定位'" @click="locateCenter">
+        <img src="/src/assets/icons/png/fullScreenEnter.png" alt="定位" class="toolbar-icon" />
+      </a-button>
       <a-button
         class="icon-btn tool-btn"
         size="small"