diff --git a/src/interface.jl b/src/interface.jl
index 880cb20..4dc5438 100755
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -187,6 +187,7 @@ function generatePrompt_mistral_openorca(a::T, usermsg::String,
   return prompt
 end
 
+#WORKING
 function chat_mistral_openorca(a::agentReflex, usermsg::String)
   """
     general prompt format:
@@ -196,8 +197,8 @@ function chat_mistral_openorca(a::agentReflex, usermsg::String)
     {role}
     {tools}
     {thinkingFormat}
-    <|im_end|>
     {context}
+    <|im_end|>
     <|im_start|>user
     {usermsg}
     <|im_end|>
@@ -218,34 +219,22 @@ function chat_mistral_openorca(a::agentReflex, usermsg::String)
   prompt = 
   """
     <|im_start|>system
-    {role}
-    {thinkingFormat}
+    $(a.roles[a.role])
+    Your earlier talk with the user:
+    $(a.earlierConversation)
+    What you know about current situations:
+    $(a.env)
+    Begin!
     <|im_end|>
-    {context}
     <|im_start|>user
-    {usermsg}
+    $usermsg
     <|im_end|>
     <|im_start|>assistant
 
   """
-  prompt = replace(prompt, "{role}" => a.roles[a.role])
-  prompt = replace(prompt, "{thinkingFormat}" => "")
-
-  context = 
-  """
-  {earlierConversation}
-  {env state}
-  {longterm memory}
-  """
-  context = replace(context, "{earlierConversation}" => "My earlier talk with the user:\n$(a.earlierConversation)")
-  context = replace(context, "{env state}" => "")
-  context = replace(context, "{longterm memory}" => "")
-
-  prompt = replace(prompt, "{context}" => context)
-
-  prompt = replace(prompt, "{usermsg}" => "Stimulus: $usermsg")
-  
-  return prompt
+  response = sendReceivePrompt(a, prompt)
+  response = split(response, "<|im_end|>")[1]
+  return response
 end
 
 
@@ -458,22 +447,15 @@ function conversation(a::agentReflex, usermsg::String; attemptlimit::Int=3)
   isusetools = isUseTools(a, usermsg)
   newinfo = extractinfo(a, usermsg)
   a.env = newinfo !== nothing ? updateEnvState(a, newinfo) : a.env
-  error(1)
-  #WORKING
-  if isusetools # use tools before responseing
-    response = work(a, usermsg)
-  end
   
   #WORKING
-  prompt = chat_mistral_openorca(a, usermsg)
-  println("")
-  @show prompt
-  response = sendReceivePrompt(a, prompt)
-  response = split(response, "<|im_end|>")[1]
-  response = replace(response, "\n" => "")
+  # if isusetools # use tools before responseing
+  #   response = work(a, usermsg)
+  # end
+  
+  #WORKING
+  response = chat_mistral_openorca(a, usermsg)
   _ = addNewMessage(a, "assistant", response)
-  println("")
-  @show response
 
   return response
 end
@@ -1250,7 +1232,7 @@ function extractinfo(a, text::T)  where {T<:AbstractString}
     Your job is determine whether there are important info in the user's message. Answer: {Yes/No/Not sure}
     <|im_end|>
     Answer: 
-    """
+  """
   response = sendReceivePrompt(a, prompt, temperature=0.0)
   if occursin("Yes", response)
     prompt =
@@ -1263,7 +1245,7 @@ function extractinfo(a, text::T)  where {T<:AbstractString}
       p.s.1 you can extract many key-value pairs.
       <|im_end|>
 
-      """
+    """
 
     response = sendReceivePrompt(a, prompt, temperature=0.0)
     return response
@@ -1308,6 +1290,7 @@ function updateEnvState(a, newinfo)
   """
 
   response = sendReceivePrompt(a, prompt, temperature=0.0)
+  return response
 end
 
 
diff --git a/src/type.jl b/src/type.jl
index 4c74276..9b70d34 100644
--- a/src/type.jl
+++ b/src/type.jl
@@ -73,7 +73,7 @@ julia> agent = ChatAgent.agentReflex(
   availableRole::AbstractVector = ["system", "user", "assistant"]
   agentName::String = "Jene" # ex. Jene
   maxUserMsg::Int = 30
-  earlierConversation::String = ""  # summary of earlier conversation
+  earlierConversation::String = "N/A"  # summary of earlier conversation
   mqttClient::Union{mqttClient, Nothing} = nothing 
   msgMeta::Union{Dict, Nothing} = nothing 
 
@@ -96,7 +96,7 @@ julia> agent = ChatAgent.agentReflex(
   attemptlimit::Int = 5 # thinking round limit
   attempt::Int = 0 # attempted number
   step::Int = 0 # step number
-  env::AbstractString = ""
+  env::AbstractString = "N/A"
   thinkingFormat::Union{Dict, Nothing} = nothing
   memory::Dict = Dict(
     :shortterm=> OrderedDict{String, Any}(),