diff --git a/test_internal_mqtt_client.py b/test_internal_mqtt_client.py
new file mode 100644
index 0000000..b114e7d
--- /dev/null
+++ b/test_internal_mqtt_client.py
@@ -0,0 +1,19 @@
+from chongming_mqtt import InternalMQTTClient
+import asyncio
+
+client = InternalMQTTClient(uri="mqtt://admin:Mixc%402021@dg.datagoo.cn:48081")
+
+async def main():
+    await client.start()
+
+    resp = await client.request(
+        request_topic="/edge_app_controller",
+        response_topic="/edge_app_controller_reply",
+        payload={"Event":"/alg_media_fetch","BoardId":"RJ-BMOX-0DCB100E3F0F4C8DEE2D189DC4DB2DAE"},
+        timeout=5
+    )
+    print(f"Response: {resp}")
+    await client.stop()
+
+if __name__ == "__main__":
+    asyncio.run(main())
\ No newline at end of file