diff --git a/source/standalone/getraw.bat b/source/standalone/getraw.bat
index b48a8f2..517970e 100644
--- a/source/standalone/getraw.bat
+++ b/source/standalone/getraw.bat
@@ -1,10 +1,17 @@
 @echo off
+set Proxy=http://proxy.example.com:8888
+set Host=203.119.244.126
+set Agent=Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
 set /p T=Type: 
 set /p L=List: 
 if not exist "%L%" exit
 if not exist "%T%" mkdir "%T%"
 for /f %%I in (%L%) do (
+if not exist %T%\%%I.html (
 echo Get %T% %%I
-curl -x http://proxy.example.com:8888 -A "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko" -m 20 --retry 2 https://www.xiami.com/%T%/%%I >%T%\%%I.html
+curl -x "%Proxy%" -m 20 --retry 2 -A "%Agent%" -H "Host:www.xiami.com" -k https://%Host%/%T%/%%I >%T%\%%I.html
+) else (
+echo Found %T% %%I
+)
 )
 pause
diff --git a/source/standalone/media.bat b/source/standalone/media.bat
index ee183e9..a360b6b 100644
--- a/source/standalone/media.bat
+++ b/source/standalone/media.bat
@@ -1,4 +1,5 @@
 @echo off
+set Agent=Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
 set /p L=List: 
 if not exist "%L%" exit
 for /f "tokens=1,2 delims= " %%E in (%L%) do (
@@ -6,7 +7,9 @@ if not exist media\%%F (
 echo Get %%E
 mkdir media\%%F
 rmdir media\%%F
-curl -A "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko" -m 10 --retry 2 https:%%E >media\%%F
+curl -m 10 --retry 2 -A "%Agent%" https:%%E >media\%%F
+) else (
+echo Found %%F
 )
 )
 pause
diff --git a/source/standalone/retry.bat b/source/standalone/retry.bat
index 8084a96..ec5f671 100644
--- a/source/standalone/retry.bat
+++ b/source/standalone/retry.bat
@@ -1,10 +1,13 @@
 @echo off
+set Proxy=http://proxy.example.com:8888
+set Host=203.119.244.126
+set Agent=Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
 set /p T=Type: 
 if not exist "%T%" exit
 for %%F in (%T%\*.html) do (
 if %%~zF lss 30720 (
 echo Retry %T% %%~nF
-curl -x http://proxy.example.com:8888 -A "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko" -m 20 --retry 3 https://www.xiami.com/%T%/%%~nF >%%F
+curl -x "%Proxy%" -m 20 --retry 3 -A "%Agent%" -H "Host:www.xiami.com" -k https://%Host%/%T%/%%~nF >%%F
 )
 )
 pause