diff --git a/default.env b/.env
similarity index 100%
rename from default.env
rename to .env
diff --git a/.github/workflows/detect-new-ver.yml b/.github/workflows/detect-new-ver.yml
index 5263deb..1bebf2c 100644
--- a/.github/workflows/detect-new-ver.yml
+++ b/.github/workflows/detect-new-ver.yml
@@ -21,9 +21,11 @@ jobs:
         IB_GATEWAY_VER=$(python scripts/detect_ib_gateway_ver.py)
         echo ib-gateway-ver=${IB_GATEWAY_VER} >> "$GITHUB_OUTPUT"
         python scripts/detect_ibc_ver.py
+        source .env
+        git restore .env # restore .env
         echo ibc-ver=${IBC_VER} >> "$GITHUB_OUTPUT"
         echo ibc-asset-url=${IBC_ASSET_URL} >> "$GITHUB_OUTPUT"
-        source default.env
+        
         if [ "$IB_GATEWAY_VER" = "$CUR_IB_GATEWAY_VER" ]; then
             echo "No dated IB gateway version"
             echo has_update=false >> "$GITHUB_OUTPUT"
@@ -31,6 +33,14 @@ jobs:
             echo "New IB gateway version($IB_GATEWAY_VER)"
             echo has_update=true >> "$GITHUB_OUTPUT"
         fi
+
+        if [ "$IBC_VER" = "$CUR_IBC_VER" ]; then
+            echo "No dated IBC version"
+            echo has_update=false >> "$GITHUB_OUTPUT"
+        else
+            echo "New IBC version($IBC_VER)"
+            echo has_update=true >> "$GITHUB_OUTPUT"
+        fi
     - name: Update files with new version
       if: steps.check-update.outputs.has_update == 'true'
       run: |
@@ -41,7 +51,7 @@ jobs:
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        branch='feat/update-to-${{ steps.check-update.outputs.ib-gateway-ver }}'
+        branch='feat/update-to-${{ steps.check-update.outputs.ib-gateway-ver }}-ibc${{steps.check-update.outputs.ibc-ver}}'
         git config user.name github-actions
         git config user.email github-actions@github.com
         git pull
@@ -49,11 +59,12 @@ jobs:
         # Update files
         cp README.update README.md
         cp Dockerfile.update Dockerfile
-        echo "CUR_IB_GATEWAY_VER=${{ steps.check-update.outputs.ib-gateway-ver }}`" > default.env
-        echo "CUR_IBC_VER=${{ steps.check-update.outputs.ibc-ver }}`" >> default.env
+        echo "CUR_IB_GATEWAY_VER=${{ steps.check-update.outputs.ib-gateway-ver }}`" > .env
+        echo "CUR_IBC_VER=${{ steps.check-update.outputs.ibc-ver }}`" >> .env
         #####
         git add README.md
         git add Dockerfile
+        git add .env
         git commit -m 'Update to `${{ steps.check-update.outputs.ib-gateway-ver }}`'
         git push --set-upstream origin "$branch"
 
diff --git a/.gitignore b/.gitignore
index d3a4a72..e61ba81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 *.pyc
 .secrets
-.env
 .vscode
diff --git a/ib-gateway-ver b/ib-gateway-ver
deleted file mode 100644
index 0d97b52..0000000
--- a/ib-gateway-ver
+++ /dev/null
@@ -1 +0,0 @@
-10.19.2
\ No newline at end of file
diff --git a/ibc-ver b/ibc-ver
deleted file mode 100644
index ae56155..0000000
--- a/ibc-ver
+++ /dev/null
@@ -1 +0,0 @@
-3.18.0
\ No newline at end of file
diff --git a/scripts/detect_ibc_ver.py b/scripts/detect_ibc_ver.py
index 464483e..a10266d 100644
--- a/scripts/detect_ibc_ver.py
+++ b/scripts/detect_ibc_ver.py
@@ -10,7 +10,7 @@
     for asset in latest["assets"]:
         if asset["name"].startswith("IBCLinux"):
             asset_url = asset["browser_download_url"]
-    os.putenv("IBC_VER", ver)
-    os.putenv("IBC_ASSET_URL", asset_url)
-    print(ver)
-    print(asset_url)
+
+    with open('.env', 'a') as fp:
+        fp.write(f'IBC_VER={ver}\n')
+        fp.write(f'IBC_ASSET_URL={asset_url}\n')