diff --git a/README.md b/README.md
index 52cb347..9676708 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ p = (
     .output('answer')
 )
 
-an1 = p('Who are you?', [], []).get()[0]
+an1 = p('What is your name?', [], []).get()[0]
 print(an1)
 
 an2 = p('Tell me something about Towhee', towhee_docs, []).get()[0]
@@ -57,6 +57,20 @@ Create the operator via the following factory method:
 
 ***ops.prompt.template(temp, keys, sys_msg)***
 
+**Parameters:**
+
+***temp***: *str*
+
+​	A template to create a prompt as the last user message.
+
+***keys***: *list*
+
+​	A list of keys used in template.
+
+***sys_msg***: *str=None*
+
+​	A system message, defaults to None. If None, it will not pass any system message.
+
 <br />