新增一个接口，用于测试插件功能用的

main.py

@@ -1,3 +1,5 @@
+import random
+import string
 from contextlib import asynccontextmanager
 from random import randint
 from typing import AsyncGenerator
@@ -59,3 +61,29 @@ async def root():
     r = randint(1, cnt)
     record = await RawData.get(id=r)
     return {"title": record.title, "content": record.content}
+
+
+def generate_random_price():
+    return round(random.uniform(10.0, 1000.0), 2)
+
+
+def generate_random_sales():
+    return random.randint(100, 10000)
+
+
+def generate_random_batch_number():
+    return ''.join(random.choices(string.ascii_uppercase + string.digits, k=10))
+
+
+@app.get("/product/")
+async def get_product_info(name: str):
+    price = generate_random_price()
+    sales = generate_random_sales()
+    batch_number = generate_random_batch_number()
+
+    return {
+        "name": name,
+        "price": price,
+        "sales": sales,
+        "batch_number": batch_number
+    }