diff --git a/README.md b/README.md
index 754cc56..f872169 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,9 @@ Since v1.5.5, we've already optimized the SHA256 function to the top. So the onl
 
 
 # Change Log
+## v1.8.1
+* fix http headers' utf8 issue for downloading
+
 ## v1.8.0
 * Add remove model button
 
diff --git a/scripts/ch_lib/downloader.py b/scripts/ch_lib/downloader.py
index 2b14ebc..58fdb9c 100644
--- a/scripts/ch_lib/downloader.py
+++ b/scripts/ch_lib/downloader.py
@@ -41,7 +41,8 @@ def dl(url, folder, filename, filepath):
     if not file_path:
         filename = ""
         if "Content-Disposition" in rh.headers.keys():
-            cd = rh.headers["Content-Disposition"]
+            # headers default is decoded with latin1, so need to re-decode it with utf-8
+            cd = rh.headers["Content-Disposition"].encode('latin1').decode('utf-8', errors='ignore')
             # Extract the filename from the header
             # content of a CD: "attachment;filename=FileName.txt"
             # in case "" is in CD filename's start and end, need to strip them out
diff --git a/scripts/ch_lib/util.py b/scripts/ch_lib/util.py
index fb171bf..9eaa3dd 100644
--- a/scripts/ch_lib/util.py
+++ b/scripts/ch_lib/util.py
@@ -6,7 +6,7 @@ import requests
 import shutil
 
 
-version = "1.8.0"
+version = "1.8.1"
 
 def_headers = {'User-Agent': 'Mozilla/5.0 (iPad; CPU OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148'}