diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d980e04..da80d57 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,4 +35,4 @@ jobs:
           secret-key: ${{ secrets.COS_SECRET_KEY }}
           bucket: ${{ secrets.COS_BUCKET }}
           coscli-version: 'v0.12.0-beta' # Optional, default to 'v0.12.0-beta'.  Use 'latest' to get the latest version.
-      - run: coscli sync ./temp cos://${{ secrets.COS_BUCKET }}/release --recursive --exclude "temp file path.txt"
\ No newline at end of file
+      - run: coscli sync ./temp cos://${{ secrets.COS_BUCKET }}/release --recursive --exclude "temp file path.txt" --thread-num 20
\ No newline at end of file
diff --git a/main.py b/main.py
index fca4a0b..3b3df50 100644
--- a/main.py
+++ b/main.py
@@ -7,6 +7,8 @@
 packagesPath = "package_py32_index.json"
 packagesCNPath = "package_py32_cn_index.json"
 
+cnUrlBase = "https://arduino.py32.halfsweet.cn/releases/"
+
 GCCVersion = "12.2.1-1.2"
 AirISPVersion = ""  # 不定义具体的版本，在GetAirISPVersion函数中创造
 CMSISVersion = "5.7.0"
@@ -104,7 +106,7 @@ def DownloadAndCheck(url, fileName, host, suffixName):
     temp['size'] = ComputeSize(tempPath)
 
     tempCn = temp.copy()
-    tempCn['url'] = "https://arduino.py32.halfsweet.cn/" + fileName + suffixName
+    tempCn['url'] = cnUrlBase + fileName + suffixName
     return temp, tempCn
 
 
@@ -241,7 +243,7 @@ def PlatformsPY32(version):
                                  {'packager': "PY32Duino", 'name': "CMSIS", 'version': CMSISVersion},
                                  {'packager': "PY32Duino", 'name': "AirISP", 'version': AirISPVersion}]
     dataCn = data.copy()
-    dataCn['url'] = "https://arduino.py32.halfsweet.cn/" + fileName
+    dataCn['url'] = cnUrlBase + fileName
     return data, dataCn