diff --git a/config/config.yaml b/config/config.yaml
index 179985a6f..93301fcf2 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -79,4 +79,7 @@ MODEL_FOR_RESEARCHER_REPORT: gpt-3.5-turbo-16k
 
 ### choose the engine for mermaid conversion, 
 # default is nodejs, you can change it to playwright,pyppeteer or ink
-# MERMAID_ENGINE: nodejs
\ No newline at end of file
+# MERMAID_ENGINE: nodejs
+
+### browser path for pyppeteer engine, support Chrome, Chromium,MS Edge
+#PYPPETEER_EXECUTABLE_PATH: "/usr/bin/google-chrome-stable"
\ No newline at end of file
diff --git a/metagpt/config.py b/metagpt/config.py
index 9260ae605..b4e0fe7fa 100644
--- a/metagpt/config.py
+++ b/metagpt/config.py
@@ -84,6 +84,7 @@ class Config(metaclass=Singleton):
         self.model_for_researcher_summary = self._get("MODEL_FOR_RESEARCHER_SUMMARY")
         self.model_for_researcher_report = self._get("MODEL_FOR_RESEARCHER_REPORT")
         self.mermaid_engine = self._get("MERMAID_ENGINE", 'nodejs')
+        self.pyppeteer_executable_path = self._get("PYPPETEER_EXECUTABLE_PATH", '')
 
     def _init_with_config_files_and_env(self, configs: dict, yaml_file):
         """Load from config/key.yaml, config/config.yaml, and env in decreasing order of priority"""
diff --git a/metagpt/utils/mmdc_pyppeteer.py b/metagpt/utils/mmdc_pyppeteer.py
index 56367236f..7ec30fd12 100644
--- a/metagpt/utils/mmdc_pyppeteer.py
+++ b/metagpt/utils/mmdc_pyppeteer.py
@@ -9,6 +9,7 @@ import os
 from urllib.parse import urljoin
 from pyppeteer import launch
 from metagpt.logs import logger
+from metagpt.config import CONFIG
 
 async def mermaid_to_file(mermaid_code, output_file_without_suffix, width=2048, height=2048)-> int:
     """
@@ -26,14 +27,14 @@ async def mermaid_to_file(mermaid_code, output_file_without_suffix, width=2048,
     suffixes = ['png', 'svg', 'pdf']   
     __dirname = os.path.dirname(os.path.abspath(__file__))
 
-    executablePath = os.getenv('PUPPETEER_EXECUTABLE_PATH',"") 
-    if executablePath:
+    
+    if CONFIG.pyppeteer_executable_path:
         browser = await launch(headless=True,
-                            executablePath=executablePath,
+                            executablePath=CONFIG.pyppeteer_executable_path,
                             args=['--disable-extensions',"--no-sandbox"] 
                             )
     else:
-        logger.error("Please set the environment variable:PUPPETEER_EXECUTABLE_PATH.")
+        logger.error("Please set the environment variable:PYPPETEER_EXECUTABLE_PATH.")
         return -1
     page = await browser.newPage()
     device_scale_factor = 1.0