diff --git a/api/init_db.py b/api/init_db.py
new file mode 100644
index 0000000..931ef07
--- /dev/null
+++ b/api/init_db.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+"""数据库初始化和种子数据脚本"""
+
+from app.database import engine, Base, SessionLocal
+from app.models import Joke, JokeType, JokeCrowd, AdminUser
+from passlib.context import CryptContext
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def init_database():
+    """初始化数据库，创建表和种子数据"""
+    Base.metadata.create_all(bind=engine)
+
+    db = SessionLocal()
+    try:
+        if db.query(AdminUser).count() > 0:
+            print("Database already initialized, skipping...")
+            return
+
+        admin = AdminUser(username="admin", password_hash=pwd_context.hash("admin123"))
+        db.add(admin)
+
+        types_data = ["冷笑话", "谐音梗", "段子", "图文笑话"]
+        type_objects = []
+        for name in types_data:
+            t = JokeType(name=name)
+            db.add(t)
+            type_objects.append(t)
+
+        crowds_data = ["校园", "职场", "家庭", "儿童"]
+        crowd_objects = []
+        for name in crowds_data:
+            c = JokeCrowd(name=name)
+            db.add(c)
+            crowd_objects.append(c)
+
+        db.commit()
+
+        sample_jokes = [
+            {"title": "程序员的幽默", "content": "程序员去相亲，女方问：你有什么优点？程序员答：我bug少。女方：...", "type_id": type_objects[1].id, "crowd_id": crowd_objects[1].id},
+            {"title": "逻辑笑话", "content": "为什么程序员总是分不清万圣节和圣诞节？因为 Oct 31 = Dec 25", "type_id": type_objects[1].id, "crowd_id": crowd_objects[1].id},
+            {"title": "爆笑冷笑话", "content": "有一天小鼠问大鼠：你为什么叫大鼠？因为我是大学生！", "type_id": type_objects[0].id, "crowd_id": crowd_objects[0].id},
+            {"title": "职场趣事", "content": "老板问员工：你有什么特长？员工说：我加班不要钱！", "type_id": type_objects[2].id, "crowd_id": crowd_objects[1].id},
+            {"title": "儿童趣语", "content": "妈妈问小明：你长大想当什么？小明说：我想当爸爸！", "type_id": type_objects[2].id, "crowd_id": crowd_objects[3].id},
+        ]
+
+        for joke_data in sample_jokes:
+            joke = Joke(**joke_data, status="approved")
+            db.add(joke)
+
+        db.commit()
+        print("Database initialized successfully!")
+        print("Admin login: admin / admin123")
+
+    except Exception as e:
+        db.rollback()
+        print(f"Error: {e}")
+        raise
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    init_database()