diff --git a/qa/testcases/smoketest/test_smoke.py b/qa/testcases/smoketest/test_smoke.py
index 81ad0e273..2d38b686c 100644
--- a/qa/testcases/smoketest/test_smoke.py
+++ b/qa/testcases/smoketest/test_smoke.py
@@ -37,7 +37,15 @@ def test_api_is_responding():
     resp_body = response.json()
     assert resp_body['state'] == "NORMAL"
     
-  
+
+def test_sql3_is_responding():
+    response = requests.post("http://" + config.datanode0 + ":10101/sql", data = "select 1")
+    assert response.status_code == 200
+    assert response.headers["Content-Type"] == "application/json"
+    resp_body = response.json()
+    assert resp_body['schema']['fields'][0]['type'] == "INT"
+    assert resp_body['data'][0][0] == 1
+
 def test_get_index_api():
     response = requests.get("http://" + config.datanode0 + ":10101/index/user")
     assert response.status_code == 200