diff --git a/src/components/core/d2-layout-main/components/-full-screen/index.vue b/src/components/core/d2-layout-main/components/-full-screen/index.vue
index c411f9b9..1903cea4 100644
--- a/src/components/core/d2-layout-main/components/-full-screen/index.vue
+++ b/src/components/core/d2-layout-main/components/-full-screen/index.vue
@@ -3,7 +3,7 @@
     effect="dark"
     :content="isFullScreen ? '退出全屏' : '全屏'"
     placement="bottom">
-    <el-button class="d2-mr btn-text can-hover" type="text" @click="toggleFullScreen">
+    <el-button class="d2-mr btn-text can-hover" type="text" @click="d2adminFullScreenToggle">
       <d2-icon v-if="isFullScreen" name="compress"/>
       <d2-icon v-else name="arrows-alt"/>
     </el-button>
@@ -20,7 +20,7 @@ export default {
   },
   methods: {
     ...mapMutations([
-      'toggleFullScreen'
+      'd2adminFullScreenToggle'
     ])
   }
 }
diff --git a/src/pages/demo/playground/fullscreen/index.vue b/src/pages/demo/playground/fullscreen/index.vue
index 1fa83dcf..c1ae13ca 100644
--- a/src/pages/demo/playground/fullscreen/index.vue
+++ b/src/pages/demo/playground/fullscreen/index.vue
@@ -5,7 +5,7 @@
       v-model="isFullScreen"
       active-text="全屏"
       inactive-text="正常"
-      @change="toggleFullScreen">
+      @change="d2adminFullScreenToggle">
     </el-switch>
   </d2-container>
 </template>
@@ -20,7 +20,7 @@ export default {
   },
   methods: {
     ...mapMutations([
-      'toggleFullScreen'
+      'd2adminFullScreenToggle'
     ])
   }
 }
diff --git a/src/store/modules/d2admin.js b/src/store/modules/d2admin.js
index 097ef913..b84ee63d 100644
--- a/src/store/modules/d2admin.js
+++ b/src/store/modules/d2admin.js
@@ -6,6 +6,8 @@ export default {
   state: {
     // 全屏
     isFullScreen: false,
+    // 灰度
+    isGrayView: false,
     // 主题
     themeList,
     themeActive: themeList[1]
@@ -15,7 +17,7 @@ export default {
      * 切换全屏
      * @param {state} state vuex state
      */
-    toggleFullScreen (state) {
+    d2adminFullScreenToggle (state) {
       if (state.isFullScreen) {
         util.exitFullScreen()
         state.isFullScreen = false
@@ -24,6 +26,13 @@ export default {
         state.isFullScreen = true
       }
     },
+    /**
+     * 切换灰度状态
+     * @param {state} state vuex state
+     */
+    d2adminGrayViewToggle (state) {
+      state.isGray = !state.isGray
+    },
     /**
      * 激活一个主题（应用到dom上）
      * @param {state} state vuex state