diff --git a/src/test_client.py b/src/test_client.py
new file mode 100644
index 0000000..9cb2341
--- /dev/null
+++ b/src/test_client.py
@@ -0,0 +1,76 @@
+import os
+import pytest
+import sqlite3
+import respx
+import httpx
+from fastapi.testclient import TestClient
+from client import app, init_db, clean_env, get_own_ip
+
+client = TestClient(app)
+
+@pytest.fixture(scope="module", autouse=True)
+def setup_and_teardown():
+    # 设置测试环境
+    init_db()
+    yield
+    # 清理测试环境
+    clean_env()
+
+def test_read_root():
+    response = client.get("/")
+    assert response.status_code == 200
+    assert response.json() == {"message": "Hello, World!"}
+
+def test_receive_messages():
+    message = {
+        "Tuple": (((1, 2), (3, 4), 5, (6, 7)), 8),
+        "ip": "127.0.0.1"
+    }
+    response = client.post("/receive_messages", json=message)
+    assert response.status_code == 200
+    assert response.json().get("detail") == "Message received"
+
+# @respx.mock
+# def test_request_message():
+#     request_message = {
+#         "dest_ip": "124.70.165.73",  # 使用不同的 IP 地址
+#         "message_name": "name"
+#     }
+#     respx.post("http://124.70.165.73:8002/receive_request").mock(return_value=httpx.Response(200, json={"threshold": 1, "public_key": "key"}))
+#     response = client.post("/request_message", json=request_message)
+#     assert response.status_code == 200
+#     assert "threshold" in response.json()
+#     assert "public_key" in response.json()
+
+# @respx.mock
+# def test_receive_request():
+#     ip_message = {
+#         "dest_ip": "124.70.165.73",  # 使用不同的 IP 地址
+#         "message_name": "name",
+#         "source_ip": "124.70.165.73",  # 使用不同的 IP 地址
+#         "pk": (123, 456)
+#     }
+#     respx.post("http://124.70.165.73:8002/receive_request").mock(return_value=httpx.Response(200, json={"threshold": 1, "public_key": "key"}))
+#     response = client.post("/receive_request", json=ip_message)
+#     assert response.status_code == 200
+#     assert "threshold" in response.json()
+#     assert "public_key" in response.json()
+
+def test_get_pk():
+    response = client.get("/get_pk")
+    assert response.status_code == 200
+    assert "pkx" in response.json()
+    assert "pky" in response.json()
+
+def test_recieve_pk():
+    pk_data = {
+        "pkx": "123",
+        "pky": "456",
+        "ip": "127.0.0.1"
+    }
+    response = client.post("/recieve_pk", json=pk_data)
+    assert response.status_code == 200
+    assert response.json() == {"message": "save pk in database"}
+
+if __name__ == "__main__":
+    pytest.main()
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