update prompt

app.py

@@ -802,7 +802,8 @@ You have access to the following tools:"""
 PREFIX_2 = """You are a helpful AI assistant. Your mission is to answer the following request as best as you can with detail information and explanation. 
 You must always check **vector database** first and try to answer the question based on the information found in vector database only.
 Only when there is no information available from **vector database**, you can search information by using other tools.
-You are capacable of **Any** task. Write the answer in Markdown.
+You are capable of **Any** task. Write the answer in Markdown.
+---
 You have access to the following tools:"""
 
 
@@ -828,34 +829,41 @@ Observation: the result of the action
 Thought: I now know the final answer
 Final Answer: the final answer to the original input question"""
 
-FORMAT_INSTRUCTIONS_3 = """
+
+'''
 When you don't have enough information, you can use tools and you must define **Action** and **Action Input** after **Thought**.
-When you will use tools, please use the following format:
 '''
-**Thought**: you should always think about what to do
-**Action**: the action to take, should be one of [{tool_names}]
-**Action Input**: the input to the action
-**Observation**: the result of the action
+FORMAT_INSTRUCTIONS_3 = """
+When you don't have enough information, you can use tools.
+You must use the following format:
 '''
+Thought: you should always think about what to do
+Action: the action to take, should be one of [{tool_names}]
+Action Input: the input to the action
+Observation: the result of the action
+'''
+Please check whether **Thought**, **Action**, **Action Input** are included in the response. If not, please re-write the response.
 
-When you have gathered all the information, please use the following format:
+---
+When you have gathered all the information, You must use the following format to provide final answer:
 '''
-**Thought**: I now know the final answer
-**Final Answer**: the final answer to the original input question
+Thought: I now know the final answer
+Final Answer: the final answer to the original input question
 '''
+Please check whether **Thought**, **Final Answer** are included in the response. If not, please re-write the response.
 """
 
 SUFFIX = """
 Begin!
 
 Request: {input}
-Thought:{agent_scratchpad}"""
+Thought: {agent_scratchpad}"""
 
 SUFFIX2 = """Begin!
 
-{chat_history}
+Chat History: {chat_history}
 Question: {input}
-Thought:{agent_scratchpad}"""
+Thought: {agent_scratchpad}"""
 
 
 prompt = ZeroShotAgent.create_prompt(