fix: 调整部分功能模块

pages/course/info.vue

@@ -1005,7 +1005,7 @@ export default {
 							this.pickCatalogMethod(this.pickCatalogIdx);
 							setTimeout(() => {
 								this.addStudyCourse();
-							}, 1000);
+							}, 300);
 						}
 					}
 				}