diff --git a/src/plugins/chat/prompt_builder.py b/src/plugins/chat/prompt_builder.py
index 2f63cf95..31de5252 100644
--- a/src/plugins/chat/prompt_builder.py
+++ b/src/plugins/chat/prompt_builder.py
@@ -143,7 +143,7 @@ class PromptBuilder:
         probability_3 = global_config.PERSONALITY_3
         prompt_personality = ""
         personality_choice = random.random()
-        personality_choice_index = -1
+        personality_choice_index = 0
         personality_count = len(personality)
         if personality_count == 1 or personality_choice < probability_1:  # 第一种人格
             personality_choice_index = 0
@@ -155,7 +155,7 @@ class PromptBuilder:
         else:  # 第三种人格
             personality_choice_index = 2
 
-        prompt_personality = f"""{activate_prompt}你的网名叫{global_config.BOT_NICKNAME}，{personality[personality_choice_index]}, 你正在浏览qq群，{promt_info_prompt},
+        prompt_personality = f"""{activate_prompt}你的网名叫{global_config.BOT_NICKNAME}，{personality[min(personality_choice_index,personality_count)]}, 你正在浏览qq群，{promt_info_prompt},
         现在请你给出日常且口语化的回复，请表现你自己的见解，不要一昧迎合，尽量简短一些。{keywords_reaction_prompt}
         请你表达自己的见解和观点。可以有个性。"""