diff --git a/src/main/java/run/halo/app/event/comment/CommentEventListener.java b/src/main/java/run/halo/app/event/comment/CommentEventListener.java
index f7d0a73a5..8afddcb2c 100644
--- a/src/main/java/run/halo/app/event/comment/CommentEventListener.java
+++ b/src/main/java/run/halo/app/event/comment/CommentEventListener.java
@@ -70,7 +70,7 @@ public class CommentEventListener {
 
         Map<String, Object> data = new HashMap<>();
 
-        if (newEvent.getSource() instanceof PostService) {
+        if (newEvent.getSource() instanceof PostCommentService) {
             // Get postComment id
             PostComment postComment = postCommentService.getById(newEvent.getCommentId());
 
@@ -85,7 +85,7 @@ public class CommentEventListener {
             data.put("page", post.getTitle());
             data.put("author", postComment.getAuthor());
             data.put("content", postComment.getContent());
-        } else if (newEvent.getSource() instanceof SheetService) {
+        } else if (newEvent.getSource() instanceof SheetCommentService) {
             SheetComment sheetComment = sheetCommentService.getById(newEvent.getCommentId());
 
             log.debug("Got sheet comment: [{}]", sheetComment);
@@ -99,7 +99,7 @@ public class CommentEventListener {
             data.put("page", sheet.getTitle());
             data.put("author", sheetComment.getAuthor());
             data.put("content", sheetComment.getContent());
-        } else if (newEvent.getSource() instanceof JournalService) {
+        } else if (newEvent.getSource() instanceof JournalCommentService) {
             JournalComment journalComment = journalCommentService.getById(newEvent.getCommentId());
 
             log.debug("Got journal comment: [{}]", journalComment);
diff --git a/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java b/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
index 73259a8f5..6b8ffca48 100644
--- a/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
+++ b/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
@@ -192,7 +192,7 @@ public class AdminServiceImpl implements AdminService {
         Assert.hasText(refreshToken, "Refresh token must not be blank");
 
         Integer userId = cacheStore.getAny(SecurityUtils.buildTokenRefreshKey(refreshToken), Integer.class)
-                .orElseThrow(() -> new BadRequestException("The refresh token may have been expired already").setErrorData(refreshToken));
+                .orElseThrow(() -> new BadRequestException("登陆状态已失效，请重新登陆").setErrorData(refreshToken));
 
         // Get user info
         User user = userService.getById(userId);