diff --git a/erniebot-agent/applications/erniebot_researcher/fact_check_agent.py b/erniebot-agent/applications/erniebot_researcher/fact_check_agent.py
index ef6cfe59..b6adc319 100644
--- a/erniebot-agent/applications/erniebot_researcher/fact_check_agent.py
+++ b/erniebot-agent/applications/erniebot_researcher/fact_check_agent.py
@@ -1,6 +1,6 @@
 import logging
 import re
-from typing import Any, Dict, List, Optional, Union
+from typing import Any, List, Optional
 
 from tools.utils import JsonUtil, ReportCallbackHandler
 
@@ -66,7 +66,7 @@ def __init__(
         else:
             self._callback_manager = callbacks
 
-    async def run(self, report: Union[str, dict]):
+    async def run(self, report: str):
         await self._callback_manager.on_run_start(
             agent=self, agent_name=self.name, prompt=self.system_message
         )
@@ -145,8 +145,6 @@ async def report_fact(self, report: str):
                     text.append(item)
         return "\n\n".join(text)
 
-    async def _run(self, report: Union[str, Dict[str, str]]):
-        if isinstance(report, dict):
-            report = report["report"]
+    async def _run(self, report: str):
         report = await self.report_fact(report)
         return report
diff --git a/erniebot-agent/applications/erniebot_researcher/research_team.py b/erniebot-agent/applications/erniebot_researcher/research_team.py
index fa2d057e..f904b04d 100644
--- a/erniebot-agent/applications/erniebot_researcher/research_team.py
+++ b/erniebot-agent/applications/erniebot_researcher/research_team.py
@@ -2,6 +2,7 @@
 from typing import List, Optional
 
 from editor_actor_agent import EditorActorAgent
+from fact_check_agent import FactCheckerAgent
 from polish_agent import PolishAgent
 from ranking_agent import RankingAgent
 from research_agent import ResearchAgent
@@ -16,6 +17,7 @@ def __init__(
         ranker_actor: RankingAgent,
         editor_actor: EditorActorAgent,
         reviser_actor: ReviserActorAgent,
+        checker_actor: FactCheckerAgent,
         polish_actor: Optional[PolishAgent] = None,
         user_agent: Optional[UserProxyAgent] = None,
         use_reflection: bool = False,
@@ -25,6 +27,7 @@ def __init__(
         self.revise_actor_instance = reviser_actor
         self.ranker_actor_instance = ranker_actor
         self.polish_actor_instance = polish_actor
+        self.checker_actor_instance = checker_actor
         self.user_agent = user_agent
         self.polish_actor = polish_actor
         self.use_reflection = use_reflection
@@ -77,9 +80,9 @@ async def run(self, query, iterations=3):
                 immedia_report = list_reports[0]
 
             revised_report = immedia_report
-
+        checked_report = await self.checker_actor_instance.run(report=revised_report["report"])
         revised_report, path = await self.polish_actor_instance.run(
-            report=revised_report["report"],
+            report=checked_report,
             summarize=revised_report["paragraphs"],
         )
         return revised_report, path
diff --git a/erniebot-agent/applications/erniebot_researcher/ui.py b/erniebot-agent/applications/erniebot_researcher/ui.py
index 5222119c..e4a22ac4 100644
--- a/erniebot-agent/applications/erniebot_researcher/ui.py
+++ b/erniebot-agent/applications/erniebot_researcher/ui.py
@@ -5,6 +5,7 @@
 
 import gradio as gr
 from editor_actor_agent import EditorActorAgent
+from fact_check_agent import FactCheckerAgent
 from langchain.embeddings.openai import OpenAIEmbeddings
 from polish_agent import PolishAgent
 from ranking_agent import RankingAgent
@@ -168,6 +169,12 @@ def get_agents(retriever_sets, tool_sets, llm, llm_long, dir_path, target_path):
         llm_long=llm_long,
         callbacks=ReportCallbackHandler(logger=logger),
     )
+    checker_actor = FactCheckerAgent(
+        name="fact_check",
+        llm=llm,
+        retriever_db=retriever_sets["full_text"],
+        callbacks=ReportCallbackHandler(logger=logger),
+    )
     polish_actor = PolishAgent(
         name="polish",
         llm=llm,
@@ -184,6 +191,7 @@ def get_agents(retriever_sets, tool_sets, llm, llm_long, dir_path, target_path):
         "editor_actor": editor_actor,
         "reviser_actor": reviser_actor,
         "ranker_actor": ranker_actor,
+        "checker_actor": checker_actor,
         "polish_actor": polish_actor,
     }