Update app.py

app.py

@@ -22,13 +22,12 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 @tool
 def calculator(number1: float, number2: float, operation: str) -> float:
-    """Performs a basic arithmetic calculation on two numbers.
+    """对两个数字进行基础算术运算.
 
     Args:
-        number1: The first number.
-        number2: The second number.
-        operation: The operation to perform. Must be one of:
-            add, subtract, multiply, divide.
+        number1: 第一个数字。
+        number2: 第二个数字。
+        operation: 运算类型，可填写 add、subtract、multiply 或 divide
     """
     if operation == "add":
         return number1 + number2