diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..24454c45
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,65 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - coo-consistency-check
+  push:
+    branches:
+      - coo-consistency-check
+
+jobs:
+  build_and_test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: CheckCode
+      uses: actions/checkout@v3
+
+    - name: Install Dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y cmake g++ libgflags-dev unixodbc unixodbc-dev odbcinst locales curl
+        sudo locale-gen en_US.UTF-8
+
+    - name: Check Python version
+      run: |
+        python --version
+        pip --version
+
+    - name: Install Python Dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install certifi
+
+    - name: Compile 3TSCOO
+      working-directory: ./src/dbtest
+      run: |
+        set -e
+        cmake -S ./
+        make
+
+    - name: Verify the compilation output
+      working-directory: ./src/dbtest
+      run: |
+        set -e
+        if [ -f 3ts_dbtest ]; then echo "3ts_dbtest exists"; else echo "3ts_dbtest not found"; exit 1; fi
+        if [ -f 3ts_dbtest_v2 ]; then echo "3ts_dbtest_v2 exists"; else echo "3ts_dbtest_v2 not found"; exit 1; fi
+
+    - name: Check executable file update time
+      working-directory: ./src/dbtest
+      run: |
+        set -e
+        BUILD_TIME=$(date +%s)
+        FILE1_TIME=$(stat -c %Y 3ts_dbtest)
+        FILE2_TIME=$(stat -c %Y 3ts_dbtest_v2)
+        TIME_DIFF1=$((BUILD_TIME - FILE1_TIME))
+        TIME_DIFF2=$((BUILD_TIME - FILE2_TIME))
+        if [ "$TIME_DIFF1" -lt 300 ]; then echo "3ts_dbtest was updated recently"; else echo "3ts_dbtest was not updated recently"; exit 1; fi
+        if [ "$TIME_DIFF2" -lt 300 ]; then echo "3ts_dbtest_v2 was updated recently"; else echo "3ts_dbtest_v2 was not updated recently"; exit 1; fi
+
+    - name: Run Python test
+      run: |
+        set -e
+        python -c "import certifi; print(certifi.__version__)"
+        # python ./src/dbtest/src/mda_detect.py
diff --git a/src/dbtest/src/mda_detect.py b/src/dbtest/src/mda_detect.py
index 982361ea..76405b2d 100644
--- a/src/dbtest/src/mda_detect.py
+++ b/src/dbtest/src/mda_detect.py
@@ -10,7 +10,7 @@
 #  */
 
 
-import Queue
+import queue
 import os
 import time
 
@@ -563,7 +563,7 @@ def remove_unfinished_operation(data_op_list):
 """
 # toposort to determine whether there is a cycle
 def check_cycle(edge, indegree, total):
-    q = Queue.Queue()
+    q = queue.Queue()
     for i, degree in enumerate(indegree):
         if degree == 0: q.put(i)
     ans = []