diff --git a/.github/workflows/pr-test-npu.yml b/.github/workflows/pr-test-npu.yml
index e26bbcf9e..67ac9cd57 100644
--- a/.github/workflows/pr-test-npu.yml
+++ b/.github/workflows/pr-test-npu.yml
@@ -38,8 +38,8 @@ jobs:
           CACHING_URL="cache-service.nginx-pypi-cache.svc.cluster.local"
           sed -Ei "s@(ports|archive).ubuntu.com@${CACHING_URL}:8081@g" /etc/apt/sources.list
           pip config set global.index-url http://${CACHING_URL}/pypi/simple
-          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple https://mirrors.aliyun.com/pypi/simple/"
-          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn mirrors.aliyun.com"
+          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple"
+          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn"
 
           bash scripts/ci/npu_ci_install_dependency.sh 910b
           # copy required file from our daily cache
@@ -80,8 +80,8 @@ jobs:
           CACHING_URL="cache-service.nginx-pypi-cache.svc.cluster.local"
           sed -Ei "s@(ports|archive).ubuntu.com@${CACHING_URL}:8081@g" /etc/apt/sources.list
           pip config set global.index-url http://${CACHING_URL}/pypi/simple
-          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple https://mirrors.aliyun.com/pypi/simple/"
-          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn mirrors.aliyun.com"
+          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple"
+          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn"
 
           bash scripts/ci/npu_ci_install_dependency.sh 910b
           # copy required file from our daily cache
@@ -118,8 +118,8 @@ jobs:
           CACHING_URL="cache-service.nginx-pypi-cache.svc.cluster.local"
           sed -Ei "s@(ports|archive).ubuntu.com@${CACHING_URL}:8081@g" /etc/apt/sources.list
           pip config set global.index-url http://${CACHING_URL}/pypi/simple
-          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple https://mirrors.aliyun.com/pypi/simple/"
-          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn mirrors.aliyun.com"
+          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple"
+          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn"
 
           bash scripts/ci/npu_ci_install_dependency.sh 910b
           # copy required file from our daily cache
@@ -160,8 +160,8 @@ jobs:
           CACHING_URL="cache-service.nginx-pypi-cache.svc.cluster.local"
           sed -Ei "s@(ports|archive).ubuntu.com@${CACHING_URL}:8081@g" /etc/apt/sources.list
           pip config set global.index-url http://${CACHING_URL}/pypi/simple
-          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple https://mirrors.aliyun.com/pypi/simple/"
-          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn mirrors.aliyun.com"
+          pip config set global.extra-index-url "https://pypi.tuna.tsinghua.edu.cn/simple"
+          pip config set global.trusted-host "${CACHING_URL} pypi.tuna.tsinghua.edu.cn"
 
           bash scripts/ci/npu_ci_install_dependency.sh a3
           # copy required file from our daily cache