From 5f198f31c374478843e3646456abedcd56262687 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Fri, 21 Nov 2025 15:14:22 +0800
Subject: [PATCH] fix: make ci happy

---
 .github/workflows/unitest.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unitest.yml b/.github/workflows/unitest.yml
index 97e56a2..57c5ebc 100644
--- a/.github/workflows/unitest.yml
+++ b/.github/workflows/unitest.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.8", "3.9", "3.10"]
-        os: [ubuntu-latest]
+        os: [ubuntu-20.04]
       fail-fast: true
 
     steps:
@@ -17,6 +17,7 @@ jobs:
       run: |
         df -h
 
+        docker rmi `docker images -q`
         sudo rm -rf /usr/share/dotnet /etc/mysql /etc/php /etc/apt/sources.list.d
         sudo -E apt-get -y purge azure-cli ghc* zulu* hhvm llvm* firefox google* dotnet* powershell openjdk* mysql* php* android*
         sudo -E apt-get update