diff --git a/.github/actions/test_compat_fuse/action.yml b/.github/actions/test_compat_fuse/action.yml
index d93aa6da52a6..3233f821e5e2 100644
--- a/.github/actions/test_compat_fuse/action.yml
+++ b/.github/actions/test_compat_fuse/action.yml
@@ -17,6 +17,13 @@ runs:
         path: ./bins/current
         artifacts: sqllogictests,meta,query
 
+    - name: Start UDF Server
+      shell: bash
+      run: |
+        pip install databend-udf>=0.2.6
+        python3 tests/udf/udf_server.py &
+        sleep 3
+
     - name: Test compatibility
       shell: bash
       # test-*.sh <old-query-ver> <meta-ver> <test-suite>
@@ -31,6 +38,8 @@ runs:
           bash ./tests/compat_fuse/test_compat_fuse.sh         1.2.318 1.2.527 rbac
           bash ./tests/compat_fuse/test_compat_fuse_forward.sh 1.2.307 1.2.527 rbac
           bash ./tests/compat_fuse/test_compat_fuse_forward.sh 1.2.318 1.2.527 rbac
+          bash ./tests/compat_fuse/test_compat_fuse.sh         1.2.680 1.2.680 udf
+          bash ./tests/compat_fuse/test_compat_fuse_forward.sh 1.2.680 1.2.680 udf
     - name: Upload failure
       if: failure()
       uses: ./.github/actions/artifact_failure
diff --git a/tests/compat_fuse/compat-logictest/udf/fuse_compat_read b/tests/compat_fuse/compat-logictest/udf/fuse_compat_read
new file mode 100644
index 000000000000..197fdb24a296
--- /dev/null
+++ b/tests/compat_fuse/compat-logictest/udf/fuse_compat_read
@@ -0,0 +1,18 @@
+query F
+select number, gcd_js(number * 3, number * 6) from numbers(5) where number > 0 order by 1
+----
+1 3
+2 6
+3 9
+4 12
+
+query T
+call add_signed(1,1,1,1);
+----
+4
+
+query T
+SELECT definition FROM SYSTEM.USER_FUNCTIONS where name = 'add_signed' ORDER BY name;
+----
+ (Int8 NULL, Int16 NULL, Int32 NULL, Int64 NULL) RETURNS Int64 NULL LANGUAGE python HANDLER = add_signed ADDRESS = http://0.0.0.0:8815
+ (String NULL) RETURNS String NULL LANGUAGE python HANDLER = ping ADDRESS = http://0.0.0.0:8815
diff --git a/tests/compat_fuse/compat-logictest/udf/fuse_compat_write b/tests/compat_fuse/compat-logictest/udf/fuse_compat_write
new file mode 100644
index 000000000000..8e2087fe6955
--- /dev/null
+++ b/tests/compat_fuse/compat-logictest/udf/fuse_compat_write
@@ -0,0 +1,17 @@
+statement ok
+DROP FUNCTION IF EXISTS add_signed;
+
+statement ok
+CREATE FUNCTION add_signed (TINYINT, SMALLINT, INT, BIGINT) RETURNS BIGINT LANGUAGE python HANDLER = 'add_signed' ADDRESS = 'http://0.0.0.0:8815'
+
+statement ok
+CREATE OR REPLACE FUNCTION gcd_js (INT, INT) RETURNS BIGINT LANGUAGE javascript HANDLER = 'gcd_js' AS $$
+export function gcd_js(a, b) {
+    while (b != 0) {
+        let t = b;
+        b = a % b;
+        a = t;
+    }
+    return a;
+}
+$$;