diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 2b19241..0e088c9 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -47,11 +47,11 @@ jobs:
 
       - name: Add missing GPG keys for NJU mirror
         run: |
-          # 导入公钥 3B4FE6ACC0B21F32
-          apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+          # 使用 wget 下载并添加公钥 3B4FE6ACC0B21F32
+          wget -qO - https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3B4FE6ACC0B21F32 | tee /etc/apt/trusted.gpg.d/nju-archive-key.asc
 
-          # 导入公钥 871920D1991BC93C
-          apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C
+          # 使用 wget 下载并添加公钥 871920D1991BC93C
+          wget -qO - https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x871920D1991BC93C | tee /etc/apt/trusted.gpg.d/nju-archive-key.asc
 
       - name: Disable APT signature verification
         run: |