diff --git a/kb_pipeline/__init__.py b/kb_pipeline/__init__.py
index d67c58f..f2d46c1 100644
--- a/kb_pipeline/__init__.py
+++ b/kb_pipeline/__init__.py
@@ -25,6 +25,7 @@ from .config import KBSettings, get_settings
 from .retry import retry_on_network_error
 from .link_parser import LinkParser, ParsedLink
 from .idempotency import IdempotencyChecker
+from .platforms import PlatformAdapter, BilibiliAdapter, ZhihuAdapter
 
 __all__ = [
     # Schemas
@@ -54,6 +55,10 @@ __all__ = [
     "ParsedLink",
     # Idempotency
     "IdempotencyChecker",
+    # Platform Adapters
+    "PlatformAdapter",
+    "BilibiliAdapter",
+    "ZhihuAdapter",
 ]
 
 __version__ = "0.1.0"
diff --git a/kb_pipeline/platforms/__init__.py b/kb_pipeline/platforms/__init__.py
index c2ad6f7..baa74f2 100644
--- a/kb_pipeline/platforms/__init__.py
+++ b/kb_pipeline/platforms/__init__.py
@@ -12,8 +12,10 @@ Each adapter implements the PlatformAdapter interface:
 
 from .base import PlatformAdapter
 from .bilibili import BilibiliAdapter
+from .zhihu import ZhihuAdapter
 
 __all__ = [
     "PlatformAdapter",
     "BilibiliAdapter",
+    "ZhihuAdapter",
 ]