diff --git a/app/docs/slate/source/includes/_pulls.md b/app/docs/slate/source/includes/_pulls.md
index 9733f958b..ecc9c285a 100644
--- a/app/docs/slate/source/includes/_pulls.md
+++ b/app/docs/slate/source/includes/_pulls.md
@@ -1372,7 +1372,7 @@ await octokit.request('POST /api/v1/yystopf/ceshi/pulls/1/journals.json')
 |owner              |是| | string |用户登录名  |
 |repo               |是| | string |项目标识identifier  |
 |index              |是| | integer|合并请求序号|
-|type               |是| | string |评论类型 comment: 普通, problem: 需要回应的评论|
+|type               |否|comment| string |评论类型 comment: 普通, problem: 需要回应的评论|
 |note               |否| | string |评论内容|
 |review_id          |否| | string |审查ID|
 |line_code          |否| | string |行号|
diff --git a/app/services/api/v1/projects/pulls/journals/create_service.rb b/app/services/api/v1/projects/pulls/journals/create_service.rb
index 7b0401c90..df207771b 100644
--- a/app/services/api/v1/projects/pulls/journals/create_service.rb
+++ b/app/services/api/v1/projects/pulls/journals/create_service.rb
@@ -15,7 +15,7 @@ class Api::V1::Projects::Pulls::Journals::CreateService < ApplicationService
     @note = params[:note]
     @commit_id = params[:commit_id]
     @path = params[:path]
-    @type = params[:type]
+    @type = params[:type] || "comment"
     @diff = params[:diff]
     @review_id = params[:review_id]
     @user = user
diff --git a/public/docs/api.html b/public/docs/api.html
index 9fb5cb478..531a3d96b 100644
--- a/public/docs/api.html
+++ b/public/docs/api.html
@@ -15296,8 +15296,8 @@ http://localhost:3000/api/v1/yystopf/ceshi/pulls/1/journals.json
 </tr>
 <tr>
 <td>type</td>
-<td>是</td>
-<td></td>
+<td>否</td>
+<td>comment</td>
 <td>string</td>
 <td>评论类型 comment: 普通, problem: 需要回应的评论</td>
 </tr>