diff --git a/src/libs/util.js b/src/libs/util.js
index 3005d779..0e8ce5ae 100644
--- a/src/libs/util.js
+++ b/src/libs/util.js
@@ -1,18 +1,9 @@
 let util = {}
 
-util.closeFullScreen = function () {
-  if (document.exitFullscreen) {
-    document.exitFullscreen()
-  } else if (document.mozCancelFullScreen) {
-    document.mozCancelFullScreen()
-  } else if (document.webkitCancelFullScreen) {
-    document.webkitCancelFullScreen()
-  } else if (document.msExitFullscreen) {
-    document.msExitFullscreen()
-  }
-}
-
-util.fullScreen = function () {
+/**
+ * 打开全屏
+ */
+util.openFullScreen = function () {
   const body = document.body
   if (body.requestFullscreen) {
     body.requestFullscreen()
@@ -25,4 +16,19 @@ util.fullScreen = function () {
   }
 }
 
+/**
+ * 关闭全屏
+ */
+util.exitFullScreen = function () {
+  if (document.exitFullscreen) {
+    document.exitFullscreen()
+  } else if (document.mozCancelFullScreen) {
+    document.mozCancelFullScreen()
+  } else if (document.webkitCancelFullScreen) {
+    document.webkitCancelFullScreen()
+  } else if (document.msExitFullscreen) {
+    document.msExitFullscreen()
+  }
+}
+
 export default util
diff --git a/src/store/modules/d2admin.js b/src/store/modules/d2admin.js
index bcf62c64..50073951 100644
--- a/src/store/modules/d2admin.js
+++ b/src/store/modules/d2admin.js
@@ -8,12 +8,16 @@ export default {
     isFullScreen: false
   },
   mutations: {
+    /**
+     * 切换全屏
+     * @param {state} state 
+     */
     toggleFullScreen (state) {
       if (state.isFullScreen) {
-        util.closeFullScreen()
+        util.exitFullScreen()
         state.isFullScreen = false
       } else {
-        util.fullScreen()
+        util.openFullScreen()
         state.isFullScreen = true
       }
     }