diff --git a/src/main/java/com/northtecom/visatrack/api/service/impl/MyFavouredVisaCaseService.java b/src/main/java/com/northtecom/visatrack/api/service/impl/MyFavouredVisaCaseService.java
index 77b5eff..317d8c0 100644
--- a/src/main/java/com/northtecom/visatrack/api/service/impl/MyFavouredVisaCaseService.java
+++ b/src/main/java/com/northtecom/visatrack/api/service/impl/MyFavouredVisaCaseService.java
@@ -11,9 +11,9 @@ import java.util.List;
 import java.util.stream.Collectors;
 
 /**
- * Created with IntelliJ IDEA.
+ * VisaCase Service
  *
- * @Author: XieYang
+ * @author XieYang, YuCheng
  * @Date: 2022/10/23/17:40
  * @Description:
  */
@@ -64,6 +64,12 @@ public class MyFavouredVisaCaseService {
         return myFavouredVisaCaseRepository.findAllByUserId(userId).stream().collect(Collectors.toList());
     }
 
+    /**
+     * Get follow cases by userId
+     *
+     * @param userId
+     * @return
+     */
     public List<VisaCase> queryFavouredVisaCases(Long userId) {
         log.info("Query user: {} favoured visa cases", userId);