diff --git a/poetry.lock b/poetry.lock
index 69aae51..5ceada2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -364,6 +364,14 @@ python-versions = ">=3.7"
 docs = ["furo (>=2021.8.17b43)", "sphinx (>=4.1)", "sphinx-autodoc-typehints (>=1.12)"]
 testing = ["covdefaults (>=1.2.0)", "coverage (>=4)", "pytest (>=4)", "pytest-cov", "pytest-timeout (>=1.4.2)"]
 
+[[package]]
+name = "flaky"
+version = "3.7.0"
+description = "Plugin for nose or pytest that automatically reruns flaky tests."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
 [[package]]
 name = "greenlet"
 version = "1.1.2"
@@ -1461,7 +1469,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "4a0d093b99ca03d9e9effe113ccd85daf9242c0a95f2336d2af8fcc7e764b6ce"
+content-hash = "48207f450bd3f15faf69721a1b2daed6b15aa5e23ff94a6ab05036f37d844d73"
 
 [metadata.files]
 aiofiles = [
@@ -1645,6 +1653,10 @@ filelock = [
     {file = "filelock-3.6.0-py3-none-any.whl", hash = "sha256:f8314284bfffbdcfa0ff3d7992b023d4c628ced6feb957351d4c48d059f56bc0"},
     {file = "filelock-3.6.0.tar.gz", hash = "sha256:9cd540a9352e432c7246a48fe4e8712b10acb1df2ad1f30e8c070b82ae1fed85"},
 ]
+flaky = [
+    {file = "flaky-3.7.0-py2.py3-none-any.whl", hash = "sha256:d6eda73cab5ae7364504b7c44670f70abed9e75f77dd116352f662817592ec9c"},
+    {file = "flaky-3.7.0.tar.gz", hash = "sha256:3ad100780721a1911f57a165809b7ea265a7863305acb66708220820caf8aa0d"},
+]
 greenlet = [
     {file = "greenlet-1.1.2-cp27-cp27m-macosx_10_14_x86_64.whl", hash = "sha256:58df5c2a0e293bf665a51f8a100d3e9956febfbf1d9aaf8c0677cf70218910c6"},
     {file = "greenlet-1.1.2-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:aec52725173bd3a7b56fe91bc56eccb26fbdff1386ef123abb63c84c5b43b63a"},
diff --git a/pyproject.toml b/pyproject.toml
index 1a2b388..1c9bf56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,7 @@ black = "^22.1.0"
 isort = "^5.10.1"
 pre-commit = "^2.17.0"
 nb-cli = "^0.6.6"
+flaky = "^3.7.0"
 
 [build-system]
 requires = ["poetry>=0.12"]
diff --git a/tests/test_merge_pic.py b/tests/test_merge_pic.py
index 9e1a34b..09b7a95 100644
--- a/tests/test_merge_pic.py
+++ b/tests/test_merge_pic.py
@@ -1,6 +1,7 @@
 import typing
 
 import pytest
+from flaky import flaky
 from nonebug.app import App
 
 if typing.TYPE_CHECKING:
@@ -40,7 +41,7 @@ merge_source_9_2 = [
 ]
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_9_merge(app: App):
     from nonebot_bison.post import Post
 
@@ -50,7 +51,7 @@ async def test_9_merge(app: App):
     await post.generate_messages()
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_9_merge_2(app: App):
     from nonebot_bison.post import Post
 
@@ -60,7 +61,7 @@ async def test_9_merge_2(app: App):
     await post.generate_messages()
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_6_merge(app: App):
     from nonebot_bison.post import Post
 
@@ -69,7 +70,7 @@ async def test_6_merge(app: App):
     assert len(post.pics) == 5
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_3_merge(app: App):
     from nonebot_bison.post import Post
 
@@ -78,7 +79,7 @@ async def test_3_merge(app: App):
     assert len(post.pics) == 5
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_6_merge_only(app: App):
     from nonebot_bison.post import Post
 
@@ -87,7 +88,7 @@ async def test_6_merge_only(app: App):
     assert len(post.pics) == 1
 
 
-@pytest.mark.asyncio
+@flaky
 async def test_3_merge_only(app: App):
     from nonebot_bison.post import Post