diff --git a/.travis.yml b/.travis.yml
index 0617d759768251fcf09aa2316f3556f20c1718d8..efe79171058c1c22d84a3792628ddcefd32f1bad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ branches:
 
 matrix:
   - os: linux
-    dist: focal
+    dist: bionic
     language: c
 
     git:
@@ -28,8 +28,8 @@ matrix:
           - build-essential
           - cmake
           - net-tools
-          - python3-pip
-          - python3-setuptools
+          - python3.8
+          - libc6-dbg
           - valgrind
           - psmisc
           - unixodbc
@@ -39,6 +39,8 @@ matrix:
     before_script:
       - export TZ=Asia/Harbin
       - date
+      - curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && python3.8 get-pip.py
+      - python3.8 -m pip install --upgrade pip setuptools
       - cd ${TRAVIS_BUILD_DIR}
       - mkdir debug
       - cd debug
diff --git a/tests/pytest/smoketest.sh b/tests/pytest/smoketest.sh
index 7c14b673e5fac1f5d3b19dd583acc8462e5abab3..0eb850749fbb62f3d4149f6051dfd2851ed55a88 100755
--- a/tests/pytest/smoketest.sh
+++ b/tests/pytest/smoketest.sh
@@ -2,36 +2,36 @@
 ulimit -c unlimited
 
 # insert
-python3 ./test.py $1 -f insert/basic.py
-python3 ./test.py $1 -s && sleep 1
-python3 ./test.py $1 -f insert/bigint.py
-python3 ./test.py $1 -s && sleep 1
-python3 ./test.py $1 -f insert/nchar.py
-python3 ./test.py $1 -s && sleep 1
-python3 ./test.py $1 -f insert/multi.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f insert/basic.py
+python3.8 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f insert/bigint.py
+python3.8 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f insert/nchar.py
+python3.8 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f insert/multi.py
+python3.8 ./test.py $1 -s && sleep 1
 
 # table
-python3 ./test.py $1 -f table/column_name.py
-python3 ./test.py $1 -s && sleep 1
-python3 ./test.py $1 -f table/column_num.py
-python3 ./test.py $1 -s && sleep 1
-python3 ./test.py $1 -f table/db_table.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f table/column_name.py
+python3.8 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f table/column_num.py
+python3.8 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f table/db_table.py
+python3.8 ./test.py $1 -s && sleep 1
 
 # import
-python3 ./test.py $1 -f import_merge/importDataLastSub.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f import_merge/importDataLastSub.py
+python3.8 ./test.py $1 -s && sleep 1
 
 #tag 
-python3 ./test.py $1 -f tag_lite/filter.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f tag_lite/filter.py
+python3.8 ./test.py $1 -s && sleep 1
 
 #query
-python3 ./test.py $1 -f query/filter.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f query/filter.py
+python3.8 ./test.py $1 -s && sleep 1
 
 # client
-python3 ./test.py $1 -f client/client.py
-python3 ./test.py $1 -s && sleep 1
+python3.8 ./test.py $1 -f client/client.py
+python3.8 ./test.py $1 -s && sleep 1