fixed appx.ts

Author: hkirat

src/utiles/appx.ts

@@ -285,9 +285,9 @@ export async function getAppxCourseId(courseId: string) {
     13: ['8', '10'],
     14: ['8', '9', '11'],
     15: ['8', '9', '12'],
-    21: ['28', '25'],
-    22: ['26', '25'],
-    23: ['27', '25'],
+    21: ['25', '28'],
+    22: ['26', '28'],
+    23: ['27', '28'],
     24: ['28', '25', '26', '27'],
   };