diff --git a/server/tasks/lark/chat.py b/server/tasks/lark/chat.py
index 0d28e9e4..c5bb7fb7 100644
--- a/server/tasks/lark/chat.py
+++ b/server/tasks/lark/chat.py
@@ -316,16 +316,7 @@ def create_issue(
     assignees = [code_users[openid][1] for openid in users if openid in code_users]
 
     # 处理 body
-    # 1. 判断 body 中是否有 at
-    if "mentions" in data["event"]["message"]:
-        # 替换 body 中的 im_name 为 code_name
-        body = replace_im_name_to_github_name(
-            app_id, message_id, {"text": body}, data, team, *args, **kwargs
-        )
-        body = body.replace("\n", "\r\n")
-
-    # 2. 处理 body 中的图片
-    body = replace_images_keys_with_url(body, team.id, message_id)
+    body = process_desc(app_id, message_id, body, data, team, *args, **kwargs)
 
     response = github_app.create_issue(
         team.name, repo.name, title, body, assignees, labels
@@ -337,6 +328,24 @@ def create_issue(
     return response
 
 
+def process_desc(app_id, message_id, desc, data, team, *args, **kwargs):
+    """
+    处理发给 github 的 desc, 转换@、处理图片、换行
+    """
+    # 1. 判断 body 中是否有 at
+    if "mentions" in data["event"]["message"]:
+        # 替换 body 中的 im_name 为 code_name
+        desc = replace_im_name_to_github_name(
+            app_id, message_id, {"text": desc}, data, team, *args, **kwargs
+        )
+
+    # 2. 处理 body 中的图片
+    desc = replace_images_keys_with_url(desc, team.id, message_id)
+
+    # github 只支持 \r\n
+    return desc.replace("\n", "\r\n")
+
+
 def replace_images_keys_with_url(text, team_id, message_id):
     """
     replace image_key with image URL.
diff --git a/server/tasks/lark/issue.py b/server/tasks/lark/issue.py
index abdee5c0..8dfc7602 100644
--- a/server/tasks/lark/issue.py
+++ b/server/tasks/lark/issue.py
@@ -601,12 +601,12 @@ def create_issue_comment(app_id, message_id, content, data, *args, **kwargs):
     )
     comment_text = content["text"]
 
-    # 判断 content 中是否有 at
-    if "mentions" in data["event"]["message"]:
-        # 替换 content 中的 im_name 为 code_name
-        comment_text = replace_im_name_to_github_name(
-            app_id, message_id, content, data, team, *args, **kwargs
-        )
+    from tasks.lark.chat import process_desc
+
+    # 处理 desc
+    comment_text = process_desc(
+        app_id, message_id, comment_text, data, team, *args, **kwargs
+    )
 
     response = github_app.create_issue_comment(
         team.name, repo.name, issue.issue_number, comment_text