diff --git a/plugins/platforms/feishu/adapter.py b/plugins/platforms/feishu/adapter.py
index ba18f22292c2..7fc484ba1de0 100644
--- a/plugins/platforms/feishu/adapter.py
+++ b/plugins/platforms/feishu/adapter.py
@@ -4468,13 +4468,13 @@ def _is_duplicate(self, message_id: str) -> bool:
     # =========================================================================
 
     def _build_outbound_payload(self, content: str) -> tuple[str, str]:
-        # Feishu post-type 'md' elements do not render markdown tables; sending
-        # table content as post causes the message to appear blank on the client.
-        # Force plain text for anything that looks like a markdown table.
-        if _MARKDOWN_TABLE_RE.search(content):
-            text_payload = {"text": content}
-            return "text", json.dumps(text_payload, ensure_ascii=False)
-        if _MARKDOWN_HINT_RE.search(content):
+        # Send markdown content (including tables) as 'post' message type.
+        # Feishu's post md tag renders standard markdown; tables are also
+        # rendered correctly when sent via post. The previous workaround that
+        # forced table content to plain text (msg_type="text") produced raw
+        # pipe-delimited output which was strictly worse.
+        # Refs: #21866, #27469
+        if _MARKDOWN_HINT_RE.search(content) or _MARKDOWN_TABLE_RE.search(content):
             return "post", _build_markdown_post_payload(content)
         text_payload = {"text": content}
         return "text", json.dumps(text_payload, ensure_ascii=False)