diff --git a/.gitea/workflows/android-build.yml b/.gitea/workflows/android-build.yml
index 171b2cc..d9d8b1f 100644
--- a/.gitea/workflows/android-build.yml
+++ b/.gitea/workflows/android-build.yml
@@ -92,6 +92,14 @@ jobs:
       - name: Install frontend deps
         run: npm ci --no-audit --no-fund
 
+      # ---------- 全局 Android 环境 (对后续所有 step 生效, 无论缓存是否命中) ----------
+      - name: Set Android env
+        run: |
+          echo "ANDROID_HOME=$HOME/android-sdk" >> "$GITHUB_ENV"
+          echo "ANDROID_NDK_HOME=$HOME/android-sdk/ndk/27.2.12479018" >> "$GITHUB_ENV"
+          echo "$HOME/android-sdk/cmdline-tools/latest/bin" >> "$GITHUB_PATH"
+          echo "$HOME/android-sdk/platform-tools" >> "$GITHUB_PATH"
+
       # ---------- 构建 ----------
       - name: Init Android project
         run: |