diff --git a/.github/workflows/deploy-api.yml b/.github/workflows/deploy-api.yml
index 8c7df04..d995bee 100644
--- a/.github/workflows/deploy-api.yml
+++ b/.github/workflows/deploy-api.yml
@@ -16,6 +16,7 @@ on:
 env:
   REGISTRY_ALIAS: m8q5m4u3
   REPOSITORY: mega/campsite-api
+  HARBOR_REGISTRY: registry.xuanwu.openatom.cn
   RUBY_VERSION: 3.3.4
   NODE_VERSION: 18.16.1
   BUNDLER_VERSION: 2.3.14
@@ -68,7 +69,14 @@ jobs:
         with:
           registry-type: public
 
-      - name: Build & push amd64 image (AWS)
+      - name: Login to Harbor
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.HARBOR_REGISTRY }}
+          username: ${{ secrets.HARBOR_USERNAME }}
+          password: ${{ secrets.HARBOR_PASSWORD }}
+
+      - name: Build & push amd64 image (AWS + Harbor)
         env:
           AWS_REGISTRY: ${{ steps.login-ecr-public.outputs.registry }}
           IMAGE_TAG: ${{ needs.prepare.outputs.image_tag }}
@@ -76,6 +84,7 @@ jobs:
           set -euo pipefail
 
           AWS_IMAGE_BASE="$AWS_REGISTRY/${{ env.REGISTRY_ALIAS }}/${{ env.REPOSITORY }}"
+          HARBOR_IMAGE_BASE="${{ env.HARBOR_REGISTRY }}/${{ env.REPOSITORY }}"
 
           docker buildx build \
             --platform linux/amd64 \
@@ -88,6 +97,9 @@ jobs:
             -t "$AWS_IMAGE_BASE:${IMAGE_TAG}" \
             -t "$AWS_IMAGE_BASE:${IMAGE_TAG}-amd64" \
             -t "$AWS_IMAGE_BASE:latest-amd64" \
+            -t "$HARBOR_IMAGE_BASE:${IMAGE_TAG}" \
+            -t "$HARBOR_IMAGE_BASE:${IMAGE_TAG}-amd64" \
+            -t "$HARBOR_IMAGE_BASE:latest-amd64" \
             --push ./api
 
   # Merge locally-built arm64 image (pushed separately) with CI-built amd64
@@ -111,6 +123,13 @@ jobs:
         with:
           registry-type: public
 
+      - name: Login to Harbor
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.HARBOR_REGISTRY }}
+          username: ${{ secrets.HARBOR_USERNAME }}
+          password: ${{ secrets.HARBOR_PASSWORD }}
+
       - name: Create & push manifest lists
         env:
           REGISTRY: ${{ steps.login-ecr-public.outputs.registry }}
@@ -119,23 +138,40 @@ jobs:
           set -euo pipefail
 
           IMAGE_BASE="$REGISTRY/${{ env.REGISTRY_ALIAS }}/${{ env.REPOSITORY }}"
-
-          docker manifest create "$IMAGE_BASE:latest" \
-            "$IMAGE_BASE:latest-amd64" \
-            "$IMAGE_BASE:latest-arm64"
-          docker manifest push "$IMAGE_BASE:latest"
-          echo "Pushed manifest: $IMAGE_BASE:latest"
-
-          if docker manifest inspect "$IMAGE_BASE:${IMAGE_TAG}-arm64" >/dev/null 2>&1; then
-            docker buildx imagetools create \
-              -t "$IMAGE_BASE:${IMAGE_TAG}" \
-              "$IMAGE_BASE:${IMAGE_TAG}-amd64" \
-              "$IMAGE_BASE:${IMAGE_TAG}-arm64"
-            echo "Pushed multi-arch manifest: $IMAGE_BASE:${IMAGE_TAG}"
-          else
-            echo "Using amd64-only tag: $IMAGE_BASE:${IMAGE_TAG}"
-            echo "Push arm64 locally to upgrade to multi-arch: ./script/demo/build-images-arm64-local.sh ${IMAGE_TAG} --push"
-          fi
+          HARBOR_BASE="${{ env.HARBOR_REGISTRY }}/${{ env.REPOSITORY }}"
+
+          push_latest() {
+            local base="$1"
+            local refs=("$base:latest-amd64")
+            if docker manifest inspect "$base:latest-arm64" >/dev/null 2>&1; then
+              refs+=("$base:latest-arm64")
+            else
+              echo "WARN: $base:latest-arm64 not found; publishing amd64-only latest"
+            fi
+            docker manifest create "$base:latest" "${refs[@]}"
+            docker manifest push "$base:latest"
+            echo "Pushed manifest: $base:latest"
+          }
+
+          push_tag_if_arm64() {
+            local base="$1"
+            if docker manifest inspect "$base:${IMAGE_TAG}-arm64" >/dev/null 2>&1; then
+              docker buildx imagetools create \
+                -t "$base:${IMAGE_TAG}" \
+                "$base:${IMAGE_TAG}-amd64" \
+                "$base:${IMAGE_TAG}-arm64"
+              echo "Pushed multi-arch manifest: $base:${IMAGE_TAG}"
+            else
+              echo "Using amd64-only tag: $base:${IMAGE_TAG}"
+              echo "Push arm64 locally to upgrade to multi-arch: ./script/demo/build-images-arm64-local.sh ${IMAGE_TAG} --push"
+            fi
+          }
+
+          push_latest "$IMAGE_BASE"
+          push_tag_if_arm64 "$IMAGE_BASE"
+
+          push_latest "$HARBOR_BASE"
+          push_tag_if_arm64 "$HARBOR_BASE"
 
   deploy-aws:
     if: ${{ github.repository == 'web3infra-foundation/campsite' }}
diff --git a/api/app/models/user.rb b/api/app/models/user.rb
index f684f35..2db9840 100644
--- a/api/app/models/user.rb
+++ b/api/app/models/user.rb
@@ -160,6 +160,14 @@ def self.from_omniauth(access_token)
       found.confirm if found.skip_confirmation_notification! && found.save
     end
 
+    if access_token.provider.to_s == "github"
+      github_login = access_token.info.nickname.presence
+      if github_login.present? && found.github_login != github_login
+        found.github_login = github_login
+        found.save! if found.persisted?
+      end
+    end
+
     ImportRemoteUserAvatarJob.perform_async(found.id) if found.avatar_path && found.persisted?
     found
   end
diff --git a/api/app/models/user/null_user.rb b/api/app/models/user/null_user.rb
index c03fb37..3c22b26 100644
--- a/api/app/models/user/null_user.rb
+++ b/api/app/models/user/null_user.rb
@@ -35,6 +35,10 @@ def username
       ""
     end
 
+    def github_login
+      nil
+    end
+
     def onboarded_at
       ""
     end
diff --git a/api/app/serializers/current_user_serializer.rb b/api/app/serializers/current_user_serializer.rb
index a6d27c7..f626858 100644
--- a/api/app/serializers/current_user_serializer.rb
+++ b/api/app/serializers/current_user_serializer.rb
@@ -7,6 +7,7 @@ class CurrentUserSerializer < ApiSerializer
   api_field :cover_photo_url, nullable: true
   api_field :email
   api_field :username
+  api_field :github_login, nullable: true
   api_field :display_name
 
   api_field :onboarded_at, nullable: true
diff --git a/api/app/serializers/sync_user_serializer.rb b/api/app/serializers/sync_user_serializer.rb
index 478f0d5..83890c8 100644
--- a/api/app/serializers/sync_user_serializer.rb
+++ b/api/app/serializers/sync_user_serializer.rb
@@ -5,6 +5,7 @@ class SyncUserSerializer < ApiSerializer
   api_association :avatar_urls, blueprint: AvatarUrlsSerializer
   api_field :display_name
   api_field :username
+  api_field :github_login, nullable: true
   api_field :email
   api_field :integration?, name: :integration, type: :boolean
   api_field :notifications_paused?, name: :notifications_paused, type: :boolean
diff --git a/api/app/serializers/user_serializer.rb b/api/app/serializers/user_serializer.rb
index 46f0738..ad97cc8 100644
--- a/api/app/serializers/user_serializer.rb
+++ b/api/app/serializers/user_serializer.rb
@@ -7,6 +7,7 @@ class UserSerializer < ApiSerializer
   api_field :cover_photo_url, nullable: true
   api_field :email
   api_field :username
+  api_field :github_login, nullable: true
   api_field :display_name
   api_field :system?, name: :system, type: :boolean
   api_field :integration?, name: :integration, type: :boolean
diff --git a/api/db/migrate/20260723023000_add_github_login_to_users.rb b/api/db/migrate/20260723023000_add_github_login_to_users.rb
new file mode 100644
index 0000000..d31e1bf
--- /dev/null
+++ b/api/db/migrate/20260723023000_add_github_login_to_users.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddGithubLoginToUsers < ActiveRecord::Migration[7.2]
+  def change
+    add_column :users, :github_login, :string
+    add_index :users, :github_login, unique: true
+  end
+end
diff --git a/api/db/schema.rb b/api/db/schema.rb
index 9a2f7a3..8b2f451 100644
--- a/api/db/schema.rb
+++ b/api/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2026_01_29_075537) do
+ActiveRecord::Schema[7.2].define(version: 2026_07_23_023000) do
   create_table "attachments", id: { type: :bigint, unsigned: true }, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.string "public_id", limit: 12, null: false
     t.text "file_path", null: false
@@ -1472,8 +1472,10 @@
     t.datetime "notification_pause_expires_at"
     t.string "preferred_timezone"
     t.datetime "notifications_paused_at"
+    t.string "github_login"
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
     t.index ["email"], name: "index_users_on_email", unique: true, length: 320
+    t.index ["github_login"], name: "index_users_on_github_login", unique: true
     t.index ["login_token"], name: "index_users_on_login_token", unique: true
     t.index ["omniauth_provider", "omniauth_uid"], name: "index_users_on_omniauth_provider_and_omniauth_uid", unique: true
     t.index ["public_id"], name: "index_users_on_public_id", unique: true
diff --git a/api/script/demo/build-images-arm64-local.sh b/api/script/demo/build-images-arm64-local.sh
index 5a3ef66..b24cfe6 100755
--- a/api/script/demo/build-images-arm64-local.sh
+++ b/api/script/demo/build-images-arm64-local.sh
@@ -5,16 +5,25 @@
 #
 # Usage:
 #   ./script/demo/build-images-arm64-local.sh [IMAGE_TAG] [--push]
-#     --push  Also push to remote registry; if omitted, image is only built and loaded locally.
+#     --push  Also push to remote registries; if omitted, image is only built and loaded locally.
+#
+# Registries (both tagged when --push):
+#   - public.ecr.aws/m8q5m4u3/mega/campsite-api
+#   - registry.xuanwu.openatom.cn/mega/campsite-api
 #
 # Requirements:
 #   - Docker with buildx enabled ("docker buildx create --use")
-#   - If using --push you must already be logged into the destination registry.
+#   - If using --push you must already be logged into the destination registries.
 
 set -euo pipefail
 
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+API_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"
+cd "$API_DIR"
+
 REGISTRY_ALIAS="m8q5m4u3"               # Public ECR alias
-REGISTRY="public.ecr.aws/${REGISTRY_ALIAS}"
+ECR_REGISTRY="public.ecr.aws/${REGISTRY_ALIAS}"
+HARBOR_REGISTRY="${HARBOR_REGISTRY:-registry.xuanwu.openatom.cn}"
 REPOSITORY="mega/campsite-api"
 
 # ----------------------------------------
@@ -60,12 +69,16 @@ NODE_VERSION="${NODE_VERSION:-18.16.1}"
 BUNDLER_VERSION="${BUNDLER_VERSION:-2.3.14}"
 
 IMAGE_TAG="${IMAGE_TAG_BASE}-${ARCH_SUFFIX}"
-IMAGE_NAME="${REGISTRY}/${REPOSITORY}:${IMAGE_TAG}"
-LATEST_ARCH_TAG="${REGISTRY}/${REPOSITORY}:latest-${ARCH_SUFFIX}"
-CACHE_IMAGE="${REGISTRY}/${REPOSITORY}:buildcache-${ARCH_SUFFIX}"
+ECR_IMAGE="${ECR_REGISTRY}/${REPOSITORY}:${IMAGE_TAG}"
+ECR_LATEST_ARCH="${ECR_REGISTRY}/${REPOSITORY}:latest-${ARCH_SUFFIX}"
+HARBOR_IMAGE="${HARBOR_REGISTRY}/${REPOSITORY}:${IMAGE_TAG}"
+HARBOR_LATEST_ARCH="${HARBOR_REGISTRY}/${REPOSITORY}:latest-${ARCH_SUFFIX}"
+CACHE_IMAGE="${ECR_REGISTRY}/${REPOSITORY}:buildcache-${ARCH_SUFFIX}"
 CACHE_DIR="${BUILDX_CACHE_DIR:-${HOME}/.cache/campsite-api-buildx/${ARCH_SUFFIX}}"
 
-echo "Building ${IMAGE_NAME} (${PLATFORM}) …"
+echo "Building (${PLATFORM}) …"
+echo "  ECR:    $ECR_IMAGE"
+echo "  Harbor: $HARBOR_IMAGE"
 
 # Ensure buildx is available
 if ! docker buildx version >/dev/null 2>&1; then
@@ -78,13 +91,15 @@ BUILD_ARGS=(
   --platform "$PLATFORM"
   --provenance=false
   --sbom=false
-  -t "$IMAGE_NAME"
-  -t "$LATEST_ARCH_TAG"
+  -t "$ECR_IMAGE"
+  -t "$ECR_LATEST_ARCH"
+  -t "$HARBOR_IMAGE"
+  -t "$HARBOR_LATEST_ARCH"
   --build-arg "RUBY_VERSION=$RUBY_VERSION"
   --build-arg "NODE_VERSION=$NODE_VERSION"
   --build-arg "BUNDLER_VERSION=$BUNDLER_VERSION"
   --cache-from "type=registry,ref=${CACHE_IMAGE}"
-  --cache-from "type=registry,ref=${IMAGE_NAME}"
+  --cache-from "type=registry,ref=${ECR_IMAGE}"
 )
 
 if $DO_PUSH; then
@@ -100,12 +115,16 @@ if ! docker buildx build "${BUILD_ARGS[@]}" .; then
   exit 1
 fi
 
-echo "Image built successfully: $IMAGE_NAME"
+echo "Image built successfully: $ECR_IMAGE / $HARBOR_IMAGE"
 
 if $DO_PUSH; then
-  echo "Image pushed successfully: $IMAGE_NAME"
+  echo "Image pushed successfully:"
+  echo "  $ECR_IMAGE"
+  echo "  $ECR_LATEST_ARCH"
+  echo "  $HARBOR_IMAGE"
+  echo "  $HARBOR_LATEST_ARCH"
   echo "Build cache saved to: ${CACHE_IMAGE}"
 else
-  echo "Image loaded locally: $IMAGE_NAME"
+  echo "Image loaded locally: $ECR_IMAGE"
   echo "Build cache saved to: ${CACHE_DIR}"
 fi
diff --git a/api/vendor/cache/prism-1.4.0.gem b/api/vendor/cache/prism-1.4.0.gem
deleted file mode 100644
index 005bf8e..0000000
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new file mode 100644
index 0000000..45fb871
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diff --git a/api/vendor/cache/rbs-3.9.1.gem b/api/vendor/cache/rbs-3.9.1.gem
deleted file mode 100644
index 8ece503..0000000
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diff --git a/api/vendor/cache/rbs-4.0.0.gem b/api/vendor/cache/rbs-4.0.0.gem
new file mode 100644
index 0000000..2235888
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diff --git a/api/vendor/cache/ruby-lsp-0.23.12.gem b/api/vendor/cache/ruby-lsp-0.23.12.gem
deleted file mode 100644
index 9d1eb72..0000000
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diff --git a/api/vendor/cache/ruby-lsp-0.26.8.gem b/api/vendor/cache/ruby-lsp-0.26.8.gem
new file mode 100644
index 0000000..8e26c22
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diff --git a/api/vendor/cache/ruby-lsp-rails-0.4.0.gem b/api/vendor/cache/ruby-lsp-rails-0.4.0.gem
deleted file mode 100644
index ccccd43..0000000
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diff --git a/api/vendor/cache/ruby-lsp-rails-0.4.8.gem b/api/vendor/cache/ruby-lsp-rails-0.4.8.gem
new file mode 100644
index 0000000..4cd69c3
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diff --git a/api/vendor/cache/sorbet-runtime-0.5.11956.gem b/api/vendor/cache/sorbet-runtime-0.5.11956.gem
deleted file mode 100644
index 184acc3..0000000
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diff --git a/api/vendor/cache/tsort-0.2.0.gem b/api/vendor/cache/tsort-0.2.0.gem
new file mode 100644
index 0000000..b80e65b
Binary files /dev/null and b/api/vendor/cache/tsort-0.2.0.gem differ
diff --git a/ci/jenkins/campsite-api/Jenkinsfile b/ci/jenkins/campsite-api/Jenkinsfile
new file mode 100644
index 0000000..564e50d
--- /dev/null
+++ b/ci/jenkins/campsite-api/Jenkinsfile
@@ -0,0 +1,72 @@
+pipeline {
+  agent any
+
+  environment {
+    HARBOR_REGISTRY = 'registry.xuanwu.openatom.cn'
+    HARBOR_REPO     = 'mega/campsite-api'
+    DOCKERFILE      = 'api/Dockerfile'
+    BUILD_CONTEXT   = 'api'
+    GIT_URL         = 'https://github.com/benjamin-747/campsite'
+    GIT_BRANCH      = 'main'
+    GIT_CREDENTIALS = 'd4cedbd2-3e68-411b-8367-0960974d7b6d'
+    HARBOR_CREDENTIALS = '3cefd32b-0fae-4749-b125-0a3f0c537f88'
+    RUBY_VERSION    = '3.3.4'
+    NODE_VERSION    = '18.16.1'
+    BUNDLER_VERSION = '2.3.14'
+  }
+
+  stages {
+    stage('Checkout') {
+      steps {
+        git branch: "${GIT_BRANCH}",
+          credentialsId: "${GIT_CREDENTIALS}",
+          url: "${GIT_URL}"
+        script {
+          env.SHORT_SHA = sh(script: 'git rev-parse --short=7 HEAD', returnStdout: true).trim()
+          env.IMAGE_SHA = "${HARBOR_REGISTRY}/${HARBOR_REPO}:${env.SHORT_SHA}"
+          env.IMAGE_LATEST = "${HARBOR_REGISTRY}/${HARBOR_REPO}:latest"
+          env.IMAGE_SHA_AMD64 = "${HARBOR_REGISTRY}/${HARBOR_REPO}:${env.SHORT_SHA}-amd64"
+          env.IMAGE_LATEST_AMD64 = "${HARBOR_REGISTRY}/${HARBOR_REPO}:latest-amd64"
+          currentBuild.description = "${HARBOR_REPO}:${env.SHORT_SHA}"
+        }
+        echo "Building image: ${env.IMAGE_SHA}"
+      }
+    }
+
+    stage('Build Docker Image') {
+      steps {
+        sh '''
+          /opt/docker-cli/docker build --network=host \
+            --build-arg RUBY_VERSION=${RUBY_VERSION} \
+            --build-arg NODE_VERSION=${NODE_VERSION} \
+            --build-arg BUNDLER_VERSION=${BUNDLER_VERSION} \
+            -f ${DOCKERFILE} \
+            -t ${IMAGE_SHA} \
+            ${BUILD_CONTEXT}
+        '''
+        sh '/opt/docker-cli/docker tag ${IMAGE_SHA} ${IMAGE_LATEST}'
+        sh '/opt/docker-cli/docker tag ${IMAGE_SHA} ${IMAGE_SHA_AMD64}'
+        sh '/opt/docker-cli/docker tag ${IMAGE_SHA} ${IMAGE_LATEST_AMD64}'
+      }
+    }
+
+    stage('Push to Harbor') {
+      steps {
+        withCredentials([
+          usernamePassword(
+            credentialsId: "${HARBOR_CREDENTIALS}",
+            usernameVariable: 'HARBOR_USER',
+            passwordVariable: 'HARBOR_PASS'
+          )
+        ]) {
+          sh '/opt/docker-cli/docker login ${HARBOR_REGISTRY} -u ${HARBOR_USER} -p ${HARBOR_PASS}'
+          sh '/opt/docker-cli/docker push ${IMAGE_SHA}'
+          sh '/opt/docker-cli/docker push ${IMAGE_LATEST}'
+          sh '/opt/docker-cli/docker push ${IMAGE_SHA_AMD64}'
+          sh '/opt/docker-cli/docker push ${IMAGE_LATEST_AMD64}'
+          sh '/opt/docker-cli/docker logout ${HARBOR_REGISTRY}'
+        }
+      }
+    }
+  }
+}