diff --git a/components/comments.php b/components/comments.php
index 3871cd0..1dc6f9f 100644
--- a/components/comments.php
+++ b/components/comments.php
@@ -31,10 +31,12 @@ function threadedComments($comments, $options) {
             <div class="comment-author clearfix">
                 <?php
                 // 普通评论头像
-                if ($GLOBALS['QQAvatar'] == 'show' && isQQEmail($comments->mail)) {
-                    QQAvatar($comments->mail, $comments->author, 40);
-                }else {
-                    gravatar($comments->mail, 50, $GLOBALS['gravatarUrl'], $comments->author);
+                if ($comments->type == 'comment') {
+                    if ($GLOBALS['QQAvatar'] == 'show' && isQQEmail($comments->mail)) {
+                        QQAvatar($comments->mail, $comments->author, 40);
+                    }else {
+                        gravatar($comments->mail, 50, $GLOBALS['gravatarUrl'], $comments->author);
+                    }
                 }
                 // 引用头像
                 if ($comments->type == 'pingback') {
diff --git a/components/sidebar.php b/components/sidebar.php
index b689aed..1cb62fe 100644
--- a/components/sidebar.php
+++ b/components/sidebar.php
@@ -108,11 +108,15 @@
                     <?php while($comments->next()): ?>
                         <li class="media mb-2">
                             <?php
-                                if ($this->options->QQAvatar == 'show' && isQQEmail($comments->mail)) {
-                                    QQAvatar($comments->mail, $comments->author, 40);
-                                }else {
-                                    gravatar($comments->mail, 50, $this->options->gravatarUrl, $comments->author);
+                                // 普通评论头像
+                                if ($comments->type == 'comment') {
+                                    if ($this->options->QQAvatar == 'show' && isQQEmail($comments->mail)) {
+                                        QQAvatar($comments->mail, $comments->author, 40);
+                                    }else {
+                                        gravatar($comments->mail, 50, $this->options->gravatarUrl, $comments->author);
+                                    }
                                 }
+                                // 引用头像
                                 if ($comments->type == 'pingback') {
                                     echo '<div class="pingback avatar" role="img" aria-label="引用">引用</div>';
                                 }