修改了天气工具

app.py

@@ -9,10 +9,11 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(city_lat:float, city_lon:float)-> str: #it's import to specify the return type
+def my_custom_tool(city:str,city_lat:float, city_lon:float)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
     """A tool for querying the weather of a specified city.
     Args:
+        city: the city name
         city_lat: the city latitude
         city_lon: the city longitude
     """
@@ -21,11 +22,11 @@ def my_custom_tool(city_lat:float, city_lon:float)-> str: #it's import to specif
     response = requests.get(url)
     data = response.json()
     
-    if "current_weather" in data:
+    try:
         weather = data["current_weather"]
-        return f"温度: {weather['temperature']}°C, 风速: {weather['windspeed']} km/h, 天气情况: {weather['weathercode']}"
-    
-    return "无法获取天气数据"
+        return f"{city}的天气如下：温度: {weather['temperature']}°C, 风速: {weather['windspeed']} km/h, 天气情况: {weather['weathercode']}"
+    except Exception as e:
+        return "无法获取天气数据"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: