[CI] fix run_ci error in release/2.1 (#3499)

.github/workflows/_build_linux.yml

@@ -124,7 +124,7 @@ jobs:
               echo "Date Only: $DATE_ONLY"
               export FASTDEPLOY_VERSION="${FASTDEPLOY_VERSION}.dev${DATE_ONLY}"
             fi
-            python -m pip install --pre paddlepaddle-gpu -i https://www.paddlepaddle.org.cn/packages/nightly/cu126/
+            python -m pip install paddlepaddle-gpu==3.1.1 -i https://www.paddlepaddle.org.cn/packages/stable/cu126/
             pip config set global.index-url https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple
 
             python -m pip install --upgrade pip

.github/workflows/_logprob_test_linux.yml

@@ -122,7 +122,7 @@ jobs:
           -v "${CACHE_DIR}/ConfigDir:/root/.config" \
           -e TZ="Asia/Shanghai" \
           --gpus '"device='"${DEVICES}"'"' ${docker_image} /bin/bash -xc '
-          python -m pip install --pre paddlepaddle-gpu -i https://www.paddlepaddle.org.cn/packages/nightly/cu126/
+          python -m pip install paddlepaddle-gpu==3.1.1 -i https://www.paddlepaddle.org.cn/packages/stable/cu126/
 
           pip config set global.index-url https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple
 

.github/workflows/_pre_ce_test.yml

@@ -132,7 +132,7 @@ jobs:
           --gpus "\"device=${DEVICES}\"" ${docker_image} /bin/bash -c '
           git config --global --add safe.directory /workspace/FastDeploy
           cd FastDeploy
-          python -m pip install --pre paddlepaddle-gpu -i https://www.paddlepaddle.org.cn/packages/nightly/cu126/
+          python -m pip install paddlepaddle-gpu==3.1.1 -i https://www.paddlepaddle.org.cn/packages/stable/cu126/
           python -m pip install ${fd_wheel_url}
           bash scripts/run_pre_ce.sh
           '

.github/workflows/_unit_test_coverage.yml

@@ -137,7 +137,7 @@ jobs:
 
           git config --global --add safe.directory /workspace/FastDeploy
           cd FastDeploy
-          python -m pip install --pre paddlepaddle-gpu -i https://www.paddlepaddle.org.cn/packages/nightly/cu126/
+          python -m pip install paddlepaddle-gpu==3.1.1 -i https://www.paddlepaddle.org.cn/packages/stable/cu126/
 
           pip config set global.extra-index-url https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple
 

scripts/run_unittest.sh

@@ -17,7 +17,7 @@ pwd
 
 git config --global --add safe.directory /workspace1/FastDeploy
 
-python -m pip install --force-reinstall --pre paddlepaddle-gpu -i https://www.paddlepaddle.org.cn/packages/nightly/cu126/
+python -m pip install paddlepaddle-gpu==3.1.1 -i https://www.paddlepaddle.org.cn/packages/stable/cu126/
 python -m pip install --upgrade --force-reinstall -r requirements/unittest/requirements.txt
 bash tools/build_wheel.sh