酷乐秀曲目来源改为内容平台

cooleshow-app/src/main/java/com/yonge/cooleshow/admin/controller/MusicalInstrumentController.java

@@ -21,7 +21,7 @@ import java.util.List;
 @Slf4j
 @Validated
 @RestController
-@RequestMapping("/musicalInstrument")
+@RequestMapping("${app-config.url.admin:}/musicalInstrument")
 @Api(tags = "曲目乐器")
 public class MusicalInstrumentController {