diff --git a/kb_workflow/deep_analyzer/__init__.py b/kb_workflow/deep_analyzer/__init__.py
index 2f947ce..0052df9 100644
--- a/kb_workflow/deep_analyzer/__init__.py
+++ b/kb_workflow/deep_analyzer/__init__.py
@@ -129,6 +129,13 @@ class DeepAnalyzer:
 
     def __init__(self, ai_client: SimpleAIClient = None):
         self.ai_client = ai_client or SimpleAIClient()
+        # 弃用警告：B站视频应使用 SRTProcessor
+        import logging
+        logger = logging.getLogger(__name__)
+        logger.warning(
+            "DeepAnalyzer is deprecated for Bilibili video processing. "
+            "Use SRTProcessor instead."
+        )
 
     def analyze(self, metadata: Dict[str, Any], content: Dict[str, Any], content_type: str = "video") -> AnalysisResult:
         """一次性调用 AI 生成完整分析报告