diff --git a/backend-python/routes/completion.py b/backend-python/routes/completion.py
index 6b5f196..7f6a1ac 100644
--- a/backend-python/routes/completion.py
+++ b/backend-python/routes/completion.py
@@ -59,28 +59,28 @@ The following is a coherent verbose detailed conversation between a girl named {
 {bot} usually gives {user} kind, helpful and informative advices.\n
 """
         if user == "Bob"
-        else ""
+        else f"{user}{interface} hi\n\n{bot}{interface} Hi. I am your assistant and I will provide expert full response in full details. Please feel free to ask any question and I will always answer it.\n\n"
     )
     for message in body.messages:
         if message.role == "system":
             completion_text = (
                 f"The following is a coherent verbose detailed conversation between a girl named {bot} and her friend {user}. "
                 if user == "Bob"
-                else ""
+                else f"{user}{interface} hi\n\n{bot}{interface} Hi. "
                 + message.content.replace("\\n", "\n")
                 .replace("\r\n", "\n")
                 .replace("\n\n", "\n")
                 .replace("\n", " ")
                 .strip()
-                .replace("You are", f"{bot} is")
-                .replace("you are", f"{bot} is")
-                .replace("You're", f"{bot} is")
-                .replace("you're", f"{bot} is")
-                .replace("You", f"{bot}")
-                .replace("you", f"{bot}")
-                .replace("Your", f"{bot}'s")
-                .replace("your", f"{bot}'s")
-                .replace("你", f"{bot}")
+                .replace("You are", f"{bot} is" if user == "Bob" else "I am")
+                .replace("you are", f"{bot} is" if user == "Bob" else "I am")
+                .replace("You're", f"{bot} is" if user == "Bob" else "I'm")
+                .replace("you're", f"{bot} is" if user == "Bob" else "I'm")
+                .replace("You", f"{bot}" if user == "Bob" else "I")
+                .replace("you", f"{bot}" if user == "Bob" else "I")
+                .replace("Your", f"{bot}'s" if user == "Bob" else "My")
+                .replace("your", f"{bot}'s" if user == "Bob" else "my")
+                .replace("你", f"{bot}" if user == "Bob" else "我")
                 + "\n\n"
             )
             break
diff --git a/backend-python/utils/rwkv.py b/backend-python/utils/rwkv.py
index 97dbc9e..d3528b5 100644
--- a/backend-python/utils/rwkv.py
+++ b/backend-python/utils/rwkv.py
@@ -50,28 +50,32 @@ class RWKV:
         self.preload()
 
     def preload(self):
-        if self.user == "Bob":
-            bot = self.bot
-            user = self.user
-            preset_system = f"""
+        interface = self.interface
+        user = self.user
+        bot = self.bot
+        preset_system = (
+            f"""
 The following is a coherent verbose detailed conversation between a girl named {bot} and her friend {user}. \
 {bot} is very intelligent, creative and friendly. \
 {bot} is unlikely to disagree with {user}, and {bot} doesn't like to ask {user} questions. \
 {bot} likes to tell {user} a lot about herself and her opinions. \
 {bot} usually gives {user} kind, helpful and informative advices.\n
 """
-            logits = self.run_rnn(self.pipeline.encode(preset_system))
-            try:
-                state_cache.add_state(
-                    state_cache.AddStateBody(
-                        prompt=preset_system,
-                        tokens=self.model_tokens,
-                        state=self.model_state,
-                        logits=logits,
-                    )
+            if self.user == "Bob"
+            else f"{user}{interface} hi\n\n{bot}{interface} Hi. I am your assistant and I will provide expert full response in full details. Please feel free to ask any question and I will always answer it.\n\n"
+        )
+        logits = self.run_rnn(self.pipeline.encode(preset_system))
+        try:
+            state_cache.add_state(
+                state_cache.AddStateBody(
+                    prompt=preset_system,
+                    tokens=self.model_tokens,
+                    state=self.model_state,
+                    logits=logits,
                 )
-            except HTTPException:
-                pass
+            )
+        except HTTPException:
+            pass
 
     def run_rnn(self, _tokens: List[str], newline_adj: int = 0):
         tokens = [int(x) for x in _tokens]