diff --git a/src/main/java/cn/allms/controller/CommentController.java b/src/main/java/cn/allms/controller/CommentController.java
index f5e7bb0..c7fcb40 100644
--- a/src/main/java/cn/allms/controller/CommentController.java
+++ b/src/main/java/cn/allms/controller/CommentController.java
@@ -4,6 +4,7 @@ import cn.allms.po.User;
 import cn.allms.po.Comment;
 import cn.allms.service.BlogService;
 import cn.allms.service.CommentService;
+import cn.allms.util.MD5Utils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Controller;
@@ -29,6 +30,9 @@ public class CommentController {
 	@Value("${comment.avatar}")
 	private String avatar;
 
+	@Value("${comment.v2exUrl}")
+	private String v2exUrl;
+
 	/**
 	 * 显示评论列表
 	 * @param blogId
@@ -60,7 +64,7 @@ public class CommentController {
 			comment.setEmail(user.getEmail());
 		//普通用户
 		} else {
-			comment.setAvatar(avatar);
+			comment.setAvatar(v2exUrl + MD5Utils.code(comment.getEmail()));
 		}
 		commentServiceImpl.saveComment(comment);
 		return "redirect:/comments/" +blogId;
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index bc1e3ad..212b028 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -7,5 +7,7 @@ spring:
   messages:
     basename: i18n/message
 
-
-comment.avatar: /images/avatar.png
+#博客头像
+comment:
+  v2exUrl: https://sdn.geekzu.org/avatar/
+  avatar: /images/avatar.png