fix url AudioImg

rankin-resource-service/src/main/java/cn/rankin/resourceservice/service/ResourceService.java

@@ -38,7 +38,7 @@ public class ResourceService {
     @Value("${resource.img.domain}")
     private String imgDomain;
 
-    @Value("${resource.video.domain}")
+    @Value("${resource.audio.domain}")
     private String audioDomain;
 
     @Value("${resource.video.domain}")