perf: 优化 Gemini 报错提示

astrbot/core/provider/sources/gemini_source.py

@@ -291,19 +291,19 @@ class ProviderGoogleGenAI(Provider):
         result_parts: Optional[types.Part] = result.candidates[0].content.parts
 
         if finish_reason == types.FinishReason.SAFETY:
-            raise Exception("模型生成内容未通过用户定义的内容安全检查")
+            raise Exception("模型生成内容未通过 Gemini 平台的安全检查")
 
         if finish_reason in {
             types.FinishReason.PROHIBITED_CONTENT,
             types.FinishReason.SPII,
             types.FinishReason.BLOCKLIST,
         }:
-            raise Exception("模型生成内容违反Gemini平台政策")
+            raise Exception("模型生成内容违反 Gemini 平台政策")
 
         # 防止旧版本SDK不存在IMAGE_SAFETY
         if hasattr(types.FinishReason, "IMAGE_SAFETY"):
             if finish_reason == types.FinishReason.IMAGE_SAFETY:
-                raise Exception("模型生成内容违反Gemini平台政策")
+                raise Exception("模型生成内容违反 Gemini 平台政策")
 
         if not result_parts:
             logger.debug(result.candidates)