diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3cff6a8..9a9769e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -84,7 +84,7 @@ jobs:
         echo "✅ Successfully created tag: $TAG_NAME"
 
   build-and-release:
-    name: Build and Release to TestFlight
+    name: Build and Release to TestFlight (Public Beta)
     needs: version-check
     if: needs.version-check.outputs.should_release == 'true'
     runs-on: macos-latest
@@ -290,7 +290,7 @@ jobs:
         export LC_ALL=en_US.UTF-8
         export LANG=en_US.UTF-8
 
-        # Run the beta lane (includes waiting for processing and distribution)
+        # Run the beta lane (includes waiting for processing and public beta distribution)
         fastlane beta
 
     - name: Create GitHub Release
@@ -302,8 +302,9 @@ jobs:
           ## 🚀 Version ${{ needs.version-check.outputs.version }}
           Build: ${{ needs.version-check.outputs.build }}
 
-          ### TestFlight
-          This version has been automatically submitted to TestFlight for beta testing.
+          ### TestFlight Public Beta
+          This version has been automatically submitted to TestFlight for public beta testing.
+          External testers will receive email notifications when the build is available.
 
           ### What's New
           - See [commit history](https://github.com/${{ github.repository }}/commits/${{ needs.version-check.outputs.new_tag }}) for changes
@@ -316,6 +317,7 @@ jobs:
     - name: Post release notification
       if: success()
       run: |
-        echo "✅ Successfully released version ${{ needs.version-check.outputs.version }} to TestFlight!"
+        echo "✅ Successfully released version ${{ needs.version-check.outputs.version }} to TestFlight Public Beta!"
         echo "🏷️ Tag: ${{ needs.version-check.outputs.new_tag }}"
-        echo "🔢 Build: ${{ needs.version-check.outputs.build }}"
\ No newline at end of file
+        echo "🔢 Build: ${{ needs.version-check.outputs.build }}"
+        echo "📧 External testers will be notified via email"
\ No newline at end of file
diff --git a/CLAUDE.md b/CLAUDE.md
index f5ee02f..24cef8b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -105,4 +105,5 @@ Currently contains only boilerplate test setup.
 - Supported architectures: armv7, arm64
 - Orientation: Portrait only on iPhone, all orientations on iPad
 - UI Style: Light mode enforced
-- Website submodule: Located at `website/` (separate repository)
\ No newline at end of file
+- Website submodule: Located at `website/` (separate repository)
+- create PR should always use english
\ No newline at end of file
diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index 3c14425..a00fe14 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -78,20 +78,21 @@ platform :ios do
         api_key: api_key,
         app_identifier: "v2er.app",
         skip_submission: false,
-        distribute_external: true,
-        groups: ["External"],  # Default external tester group
-        notify_external_testers: true,
+        distribute_external: true,  # Distribute to external testers (public beta)
+        groups: ["Public Beta", "External Testers", "Beta Testers"],  # Public beta groups
+        notify_external_testers: true,  # Send email notifications
         uses_non_exempt_encryption: false,
-        submit_beta_review: true,
+        submit_beta_review: true,  # Automatically submit for Beta review
         wait_for_uploaded_build: true,
+        beta_app_description: "V2er is an elegant third-party client for V2EX forum",
+        beta_app_feedback_email: "support@v2er.app",
+        demo_account_required: false,
         beta_app_review_info: {
           contact_email: "support@v2er.app",
           contact_first_name: "V2er",
           contact_last_name: "Support",
-          contact_phone: "+1234567890",
-          demo_account_name: "",
-          demo_account_password: "",
-          notes: "This is a V2EX forum client app. No special account needed for testing."
+          contact_phone: "+86 13800138000",
+          notes: "This is a third-party client app for V2EX forum. No special account needed for testing."
         }
       )
 
@@ -160,13 +161,23 @@ platform :ios do
       skip_waiting_for_build_processing: false,  # Wait for processing before distribution
       wait_processing_interval: 30,  # Check every 30 seconds
       wait_processing_timeout_duration: 900,  # Wait up to 15 minutes for processing
-      distribute_external: true,  # Distribute to external testers
+      distribute_external: true,  # Distribute to external testers (public beta)
       distribute_only: false,  # Upload and distribute in one action
-      groups: ["External Testers", "Beta Testers"],  # Try common group names
+      groups: ["Public Beta", "External Testers", "Beta Testers"],  # Public beta groups
       changelog: "Bug fixes and improvements",
-      notify_external_testers: true,  # Send email notifications
+      notify_external_testers: true,  # Send email notifications to external testers
       uses_non_exempt_encryption: false,  # Required for automatic distribution
-      submit_beta_review: true  # Automatically submit for beta review if needed
+      submit_beta_review: true,  # Automatically submit for Beta review
+      beta_app_description: "V2er is an elegant third-party client for V2EX forum",
+      beta_app_feedback_email: "support@v2er.app",
+      demo_account_required: false,  # No demo account required
+      beta_app_review_info: {
+        contact_email: "support@v2er.app",
+        contact_first_name: "V2er",
+        contact_last_name: "Support",
+        contact_phone: "+86 13800138000",
+        notes: "This is a third-party client app for V2EX forum. No special account needed for testing."
+      }
     )
 
     # Notify success