更新

src/teacher/piano-room/account-recharge-timer/index.tsx

@@ -61,6 +61,14 @@ export default defineComponent({
       })
     } catch {}
   },
+  unmounted() {
+    this.background = '#fff'
+    this.color = '#333'
+    postMessage({
+      api: 'backIconChange',
+      content: { iconStyle: 'black' }
+    })
+  },
   methods: {
     async _init() {
       try {

src/teacher/piano-room/class-arrangement/index.tsx

@@ -43,7 +43,10 @@ export default defineComponent({
             />
           </div>
           <div style={{ display: active.value === 2 ? 'block' : 'none' }}>
-            <CreateClass onBack={() => active.value = 1} active={active.value} />
+            <CreateClass
+              onBack={() => (active.value = 1)}
+              active={active.value}
+            />
           </div>
         </div>
       )