diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8eb2bd0..34d8651 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,3 +19,4 @@
 
 ## [0.3.2]
 - 增加NoTargetGroup
+- 增加1x3拼图的支持
diff --git a/src/plugins/nonebot_hk_reporter/post.py b/src/plugins/nonebot_hk_reporter/post.py
index e8ad59c..756151a 100644
--- a/src/plugins/nonebot_hk_reporter/post.py
+++ b/src/plugins/nonebot_hk_reporter/post.py
@@ -38,7 +38,7 @@ class Post:
         return abs(size[0] - size[1]) / size[0] < 0.01
 
     async def _pic_merge(self) -> None:
-        if len(self.pics) < 6:
+        if len(self.pics) < 3:
             return
         first_image = await self._pic_url_to_image(self.pics[0])
         if not self._check_image_square(first_image.size):
@@ -77,9 +77,10 @@ class Post:
             images.extend(image_row)
             y_coord.append(y_coord[-1] + row_first_img.size[1])
             return True
-        if not await process_row(1):
-            return
-        matrix = (3,2)
+        if await process_row(1):
+            matrix = (3,2)
+        else:
+            matrix = (3,1)
         if await process_row(2):
             matrix = (3,3)
         logger.info('trigger merge image')
diff --git a/tests/test_merge_pic.py b/tests/test_merge_pic.py
index 48a6141..b82a4d6 100644
--- a/tests/test_merge_pic.py
+++ b/tests/test_merge_pic.py
@@ -33,3 +33,9 @@ async def test_6_merge(plugin_module):
     post = plugin_module.post.Post('', '', '', pics=merge_source_9[0:6]+merge_source_9[9:])
     await post._pic_merge() 
     assert len(post.pics) == 5
+
+@pytest.mark.asyncio
+async def test_3_merge(plugin_module):
+    post = plugin_module.post.Post('', '', '', pics=merge_source_9[0:3]+merge_source_9[9:])
+    await post._pic_merge() 
+    assert len(post.pics) == 5