diff --git a/packages/sunagent-app/pyproject.toml b/packages/sunagent-app/pyproject.toml
index b4bddb8..b62ba5b 100644
--- a/packages/sunagent-app/pyproject.toml
+++ b/packages/sunagent-app/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "sunagent-app"
-version = "0.0.27b4"
+version = "0.0.27b5"
 license = {file = "LICENSE-CODE"}
 description = "sunagent app"
 readme = "README.md"
diff --git a/packages/sunagent-app/src/sunagent_app/agents/_context_builder_agent.py b/packages/sunagent-app/src/sunagent_app/agents/_context_builder_agent.py
index 314290b..873825f 100644
--- a/packages/sunagent-app/src/sunagent_app/agents/_context_builder_agent.py
+++ b/packages/sunagent-app/src/sunagent_app/agents/_context_builder_agent.py
@@ -559,7 +559,7 @@ async def _recursive_fetch(self, tweet: Dict[str, Any], conversation: List[Dict[
         """
         递归获取父级推文的核心逻辑
         """
-        if depth > self.max_depth:
+        if depth >= self.max_depth:
             logger.warning(f"max_depth {self.max_depth} exceeded")
             conversation.append(tweet)
             return True