diff --git a/.coderabbit.yaml b/.coderabbit.yaml
new file mode 100644
index 0000000..dd5fb4d
--- /dev/null
+++ b/.coderabbit.yaml
@@ -0,0 +1,40 @@
+# CodeRabbit AI 代码审查配置
+# 文档: https://docs.coderabbit.ai/reference/configuration
+
+language: "zh-CN"
+tone_instructions: "使用简洁的中文进行代码审查，关注实际问题而非风格偏好。"
+early_access: true
+
+reviews:
+  profile: "chill"
+  high_level_summary: true
+  poem: false
+  sequence_diagrams: false
+  collapse_walkthrough: true
+  changed_files_summary: true
+  path_filters:
+    - "!build/**"
+    - "!oh_modules/**"
+    - "!entry/oh_modules/**"
+    - "!entry/build/**"
+    - "!nativelib/build/**"
+    - "!hvigor/**"
+    - "!oh-package-lock.json5"
+    - "!entry/oh-package-lock.json5"
+    - "!store-assets/**"
+    - "!nativelib/src/main/cpp/moonlight-common-c/**"
+    - "!nativelib/src/main/cpp/ohos-openssl/**"
+  path_instructions:
+    - path: "entry/src/main/ets/**"
+      instructions: |
+        这是 HarmonyOS ArkTS 前端代码。使用 ArkUI 声明式 UI 框架，@Component/@State/@Prop/@Link 等装饰器。
+        关注线程安全（UI 线程 vs Worker）、内存泄漏（定时器/事件监听未清理）、空指针安全。
+    - path: "nativelib/src/main/cpp/**"
+      instructions: |
+        C/C++ 原生层代码，通过 N-API 与 ArkTS 交互。关注内存管理、线程安全、JNI/N-API 生命周期。
+  auto_review:
+    enabled: true
+    drafts: false
+
+chat:
+  auto_reply: true
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6c6b49a..21b6606 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -301,7 +301,7 @@ jobs:
         ci/patch-sdk.sh ~/ohos-sdk
 
     # ── 构建 ──
-    - name: Build HAP
+    - name: Build Native
       run: |
         set -o pipefail
         BUILD_MODE="${{ steps.build-mode.outputs.mode }}"
@@ -310,58 +310,20 @@ jobs:
         export JAVA_HOME="${JAVA_HOME_17_X64}"
         export LD_LIBRARY_PATH="${HOME}/ohos-sdk/toolchains/lib:${HOME}/ohos-sdk/previewer/common/bin:${LD_LIBRARY_PATH:-}"
 
-        node hvigorw.js assembleHap \
+        node hvigorw.js assembleHar \
           --mode module \
+          -p module=nativelib@default \
           -p product=default \
           -p buildMode="${BUILD_MODE}" \
           --no-daemon \
           --stacktrace \
           2>&1 | tee build-hap.log
 
-        find . -name "*.hap" -type f -exec sh -c 'echo "  $(du -h "$1" | cut -f1)  $1"' _ {} \;
-
-    - name: Build APP (signed)
-      if: steps.signing.outputs.available == 'true'
-      run: |
-        set -o pipefail
-        BUILD_MODE="${{ steps.build-mode.outputs.mode }}"
-        export NODE_HOME="$(dirname "$(dirname "$(which node)")")"
-        export JAVA_HOME="${JAVA_HOME_17_X64}"
-
-        node hvigorw.js assembleApp \
-          --mode module \
-          -p product=default \
-          -p buildMode="${BUILD_MODE}" \
-          --no-daemon \
-          2>&1 | tee build-app.log
-
-        find . -name "*.app" -type f -exec sh -c 'echo "  $(du -h "$1" | cut -f1)  $1"' _ {} \;
-
     # ── 清理 & 上传 ──
     - name: Cleanup signing files
       if: always()
       run: rm -rf .signing/
 
-    - name: Upload HAP artifact
-      uses: actions/upload-artifact@v4
-      if: always()
-      with:
-        name: moonlight-hap-${{ steps.version.outputs.version }}-${{ steps.build-mode.outputs.mode }}
-        path: entry/build/default/outputs/**/*.hap
-        if-no-files-found: warn
-        retention-days: 30
-
-    - name: Upload APP artifact
-      uses: actions/upload-artifact@v4
-      if: steps.signing.outputs.available == 'true'
-      with:
-        name: moonlight-app-${{ steps.version.outputs.version }}-${{ steps.build-mode.outputs.mode }}
-        path: |
-          entry/build/default/outputs/**/*.app
-          build/default/outputs/**/*.app
-        if-no-files-found: warn
-        retention-days: 30
-
     - name: Upload build logs on failure
       uses: actions/upload-artifact@v4
       if: failure()
@@ -369,35 +331,6 @@ jobs:
         name: build-logs-${{ github.run_id }}
         path: |
           build-hap.log
-          build-app.log
         retention-days: 7
 
-  # ── Release ──
-  release:
-    name: Create Release
-    needs: build
-    runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags/v')
-    permissions:
-      contents: write
-
-    steps:
-    - name: Download artifacts
-      uses: actions/download-artifact@v4
-      with:
-        pattern: moonlight-*
-        path: ./artifacts
-        merge-multiple: true
-
-    - name: Create GitHub Release
-      uses: softprops/action-gh-release@v2
-      with:
-        files: |
-          ./artifacts/**/*.hap
-          ./artifacts/**/*.app
-        draft: false
-        prerelease: ${{ contains(github.ref, 'beta') || contains(github.ref, 'alpha') || contains(github.ref, 'rc') }}
-        generate_release_notes: true
-        fail_on_unmatched_files: false
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  # Release 由本地手动构建签名后上传
diff --git a/ci/patch-sdk.sh b/ci/patch-sdk.sh
index 09fa7c0..879da28 100644
--- a/ci/patch-sdk.sh
+++ b/ci/patch-sdk.sh
@@ -116,4 +116,27 @@ if [ -n "$DISPLAY_DTS" ] && ! grep -q "getBrightnessInfo" "$DISPLAY_DTS"; then
   echo "  Patched display module"
 fi
 
+# ─── @kit.ScanKit ───
+[ ! -f "$KIT_CONFIGS/@kit.ScanKit.json" ] && \
+  cp "$STUBS_DIR/kit.ScanKit.json" "$KIT_CONFIGS/@kit.ScanKit.json"
+cp "$STUBS_DIR/kit.ScanKit.d.ts" "$ETS_API/@kit.ScanKit.d.ts"
+cp "$STUBS_DIR/ohos.scan.scanCore.d.ts" "$ETS_API/@ohos.scan.scanCore.d.ts"
+cp "$STUBS_DIR/ohos.scan.scanBarcode.d.ts" "$ETS_API/@ohos.scan.scanBarcode.d.ts"
+echo "  Applied ScanKit stubs"
+
+# ─── @kit.ShareKit ───
+[ ! -f "$KIT_CONFIGS/@kit.ShareKit.json" ] && \
+  cp "$STUBS_DIR/kit.ShareKit.json" "$KIT_CONFIGS/@kit.ShareKit.json"
+cp "$STUBS_DIR/kit.ShareKit.d.ts" "$ETS_API/@kit.ShareKit.d.ts"
+cp "$STUBS_DIR/ohos.share.systemShare.d.ts" "$ETS_API/@ohos.share.systemShare.d.ts"
+echo "  Applied ShareKit stubs"
+
+# ─── DevKeySecret (CI-only placeholder) ───
+DEV_KEY_SECRET="entry/src/main/ets/config/DevKeySecret.ets"
+if [ ! -f "$DEV_KEY_SECRET" ]; then
+  mkdir -p "$(dirname "$DEV_KEY_SECRET")"
+  cp "${DEV_KEY_SECRET}.example" "$DEV_KEY_SECRET"
+  echo "  Created DevKeySecret from example"
+fi
+
 echo "✅ SDK patches applied"
diff --git a/ci/sdk-stubs/kit.ScanKit.d.ts b/ci/sdk-stubs/kit.ScanKit.d.ts
new file mode 100644
index 0000000..3ae5b5d
--- /dev/null
+++ b/ci/sdk-stubs/kit.ScanKit.d.ts
@@ -0,0 +1,22 @@
+declare module '@kit.ScanKit' {
+  namespace scanCore {
+    enum ScanType {
+      QR_CODE = 0,
+      BARCODE_TYPE_EAN_13 = 1,
+      BARCODE_TYPE_EAN_8 = 2,
+      BARCODE_TYPE_CODE_128 = 3,
+    }
+  }
+  namespace scanBarcode {
+    interface ScanOptions {
+      scanTypes?: scanCore.ScanType[];
+      enableMultiMode?: boolean;
+      enableAlbum?: boolean;
+    }
+    interface ScanResult {
+      originalValue?: string;
+      scanType?: number;
+    }
+    function startScanForResult(context: object, options?: ScanOptions): Promise<ScanResult>;
+  }
+}
diff --git a/ci/sdk-stubs/kit.ScanKit.json b/ci/sdk-stubs/kit.ScanKit.json
new file mode 100644
index 0000000..cc519f4
--- /dev/null
+++ b/ci/sdk-stubs/kit.ScanKit.json
@@ -0,0 +1,12 @@
+{
+  "symbols": {
+    "scanCore": {
+      "source": "@ohos.scan.scanCore.d.ts",
+      "bindings": "default"
+    },
+    "scanBarcode": {
+      "source": "@ohos.scan.scanBarcode.d.ts",
+      "bindings": "default"
+    }
+  }
+}
diff --git a/ci/sdk-stubs/kit.ShareKit.d.ts b/ci/sdk-stubs/kit.ShareKit.d.ts
new file mode 100644
index 0000000..036ea0b
--- /dev/null
+++ b/ci/sdk-stubs/kit.ShareKit.d.ts
@@ -0,0 +1,33 @@
+declare module '@kit.ShareKit' {
+  namespace systemShare {
+    enum SelectionMode {
+      SINGLE = 0,
+      BATCH = 1,
+    }
+    enum SharePreviewMode {
+      DEFAULT = 0,
+      DETAIL = 1,
+    }
+    interface SharedDataRecord {
+      utd: string;
+      content?: string;
+      uri?: string;
+      data?: ArrayBuffer;
+      title?: string;
+      description?: string;
+      thumbnail?: object;
+    }
+    class SharedData {
+      constructor(record: SharedDataRecord);
+      addRecord(record: SharedDataRecord): void;
+    }
+    interface ShareControllerOptions {
+      selectionMode?: SelectionMode;
+      previewMode?: SharePreviewMode;
+    }
+    class ShareController {
+      constructor(data: SharedData);
+      show(context: object, options?: ShareControllerOptions): Promise<void>;
+    }
+  }
+}
diff --git a/ci/sdk-stubs/kit.ShareKit.json b/ci/sdk-stubs/kit.ShareKit.json
new file mode 100644
index 0000000..de7fab4
--- /dev/null
+++ b/ci/sdk-stubs/kit.ShareKit.json
@@ -0,0 +1,8 @@
+{
+  "symbols": {
+    "systemShare": {
+      "source": "@ohos.share.systemShare.d.ts",
+      "bindings": "default"
+    }
+  }
+}
diff --git a/ci/sdk-stubs/ohos.scan.scanBarcode.d.ts b/ci/sdk-stubs/ohos.scan.scanBarcode.d.ts
new file mode 100644
index 0000000..dedd158
--- /dev/null
+++ b/ci/sdk-stubs/ohos.scan.scanBarcode.d.ts
@@ -0,0 +1,13 @@
+declare namespace scanBarcode {
+  interface ScanOptions {
+    scanTypes?: number[];
+    enableMultiMode?: boolean;
+    enableAlbum?: boolean;
+  }
+  interface ScanResult {
+    originalValue?: string;
+    scanType?: number;
+  }
+  function startScanForResult(context: object, options?: ScanOptions): Promise<ScanResult>;
+}
+export default scanBarcode;
diff --git a/ci/sdk-stubs/ohos.scan.scanCore.d.ts b/ci/sdk-stubs/ohos.scan.scanCore.d.ts
new file mode 100644
index 0000000..59f370e
--- /dev/null
+++ b/ci/sdk-stubs/ohos.scan.scanCore.d.ts
@@ -0,0 +1,9 @@
+declare namespace scanCore {
+  enum ScanType {
+    QR_CODE = 0,
+    BARCODE_TYPE_EAN_13 = 1,
+    BARCODE_TYPE_EAN_8 = 2,
+    BARCODE_TYPE_CODE_128 = 3,
+  }
+}
+export default scanCore;
diff --git a/ci/sdk-stubs/ohos.share.systemShare.d.ts b/ci/sdk-stubs/ohos.share.systemShare.d.ts
new file mode 100644
index 0000000..b03265c
--- /dev/null
+++ b/ci/sdk-stubs/ohos.share.systemShare.d.ts
@@ -0,0 +1,32 @@
+declare namespace systemShare {
+  enum SelectionMode {
+    SINGLE = 0,
+    BATCH = 1,
+  }
+  enum SharePreviewMode {
+    DEFAULT = 0,
+    DETAIL = 1,
+  }
+  interface SharedDataRecord {
+    utd: string;
+    content?: string;
+    uri?: string;
+    data?: ArrayBuffer;
+    title?: string;
+    description?: string;
+    thumbnail?: object;
+  }
+  class SharedData {
+    constructor(record: SharedDataRecord);
+    addRecord(record: SharedDataRecord): void;
+  }
+  interface ShareControllerOptions {
+    selectionMode?: SelectionMode;
+    previewMode?: SharePreviewMode;
+  }
+  class ShareController {
+    constructor(data: SharedData);
+    show(context: object, options?: ShareControllerOptions): Promise<void>;
+  }
+}
+export default systemShare;
diff --git a/entry/src/main/ets/components/PerformanceOverlay.ets b/entry/src/main/ets/components/PerformanceOverlay.ets
index fa66a9d..9ddd923 100644
--- a/entry/src/main/ets/components/PerformanceOverlay.ets
+++ b/entry/src/main/ets/components/PerformanceOverlay.ets
@@ -22,7 +22,8 @@ import {
   getMoonPhaseIcon, formatDataRate, getDecoderString,
   getPacketLossColor, getLatencyColor, getBatteryColor,
   calculateSnapPosition, findNearestSnapPosition,
-  getPerformanceItemInfo, getSnapBorderRadius, SnapPosition
+  getPerformanceItemInfo, getSnapBorderRadius, SnapPosition,
+  isAprilFools
 } from './PerformanceOverlayManager';
 import { StreamViewModel } from '../viewmodel/StreamViewModel';
 import { PreferencesUtil } from '../utils/PreferencesUtil';
@@ -60,6 +61,7 @@ export struct PerformanceOverlay {
   @State perfBatteryLevel: number = 100;
   @State perfIsCharging: boolean = false;
   @State perfUpscaleMode: number = 0;
+  private aprilFoolsToastShown: boolean = false;
   
   // 覆盖层状态
   @State overlayX: number = 8;
@@ -191,6 +193,26 @@ export struct PerformanceOverlay {
         this.perfHostLatency = stats.hostLatency;
         this.perfPacketLoss = stats.packetLoss;
 
+        // 🎃 愚人节彩蛋：负延迟串流™
+        if (isAprilFools()) {
+          if (stats.latency > 0) {
+            this.perfLatency = -(stats.latency * (0.3 + Math.random() * 0.4));
+          }
+          if (stats.networkLatency > 0) {
+            this.perfNetworkLatency = -Math.ceil(stats.networkLatency * (0.2 + Math.random() * 0.3));
+          }
+          if (stats.hostLatency > 0) {
+            this.perfHostLatency = -(stats.hostLatency * (0.3 + Math.random() * 0.3));
+          }
+          if (!this.aprilFoolsToastShown) {
+            this.aprilFoolsToastShown = true;
+            promptAction.showToast({
+              message: '🔮 负延迟串流™ 已激活\n画面将在你操作之前到达',
+              duration: 5000
+            });
+          }
+        }
+
         // 延迟查询超分引擎（解码器初始化后才有值）
         if (this.perfUpscaleMode === 0) {
           const mode = session.getActiveUpscaleMode();
@@ -558,11 +580,12 @@ export struct PerformanceOverlay {
     // 网络延迟行
     if (this.enabledItemsList.includes(PerformanceItem.NETWORK_LATENCY)) {
       Row() {
-        this.PerfIcon(PerfSymbols.NETWORK, 14, this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50')
-        Text(this.perfNetworkLatency > 0 ? ` ${this.perfNetworkLatency}` : ' N/A')
+        this.PerfIcon(PerfSymbols.NETWORK, 14,
+          this.perfNetworkLatency < 0 ? '#64FFDA' : (this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50'))
+        Text(this.perfNetworkLatency !== 0 ? ` ${this.perfNetworkLatency}` : ' N/A')
           .fontSize(12)
           .fontWeight(FontWeight.Medium)
-          .fontColor(this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50')
+          .fontColor(this.perfNetworkLatency < 0 ? '#64FFDA' : (this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50'))
         Text(' ms')
           .fontSize(11)
           .fontColor('#CCFFFFFF')
@@ -575,6 +598,8 @@ export struct PerformanceOverlay {
       Row() {
         if (this.perfLatency >= 20) {
           Text('🔥').fontSize(13)
+        } else if (this.perfLatency < 0) {
+          Text('❄️').fontSize(13)
         } else {
           this.PerfIcon(PerfSymbols.DECODE_NORMAL, 14, getLatencyColor(this.perfLatency))
         }
@@ -592,11 +617,11 @@ export struct PerformanceOverlay {
     // 主机延迟行
     if (this.enabledItemsList.includes(PerformanceItem.HOST_LATENCY)) {
       Row() {
-        this.PerfIcon(PerfSymbols.HOST, 14, '#009688')
-        Text(this.perfHostLatency > 0 ? ` ${this.perfHostLatency.toFixed(1)}` : ' N/A')
+        this.PerfIcon(PerfSymbols.HOST, 14, this.perfHostLatency < 0 ? '#64FFDA' : '#009688')
+        Text(this.perfHostLatency !== 0 ? ` ${this.perfHostLatency.toFixed(1)}` : ' N/A')
           .fontSize(12)
           .fontWeight(FontWeight.Medium)
-          .fontColor('#009688')
+          .fontColor(this.perfHostLatency < 0 ? '#64FFDA' : '#009688')
         Text(' ms')
           .fontSize(11)
           .fontColor('#CCFFFFFF')
@@ -689,11 +714,12 @@ export struct PerformanceOverlay {
       
       // 网络延迟
       if (this.enabledItemsList.includes(PerformanceItem.NETWORK_LATENCY)) {
-        this.PerfIcon(PerfSymbols.NETWORK, 13, this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50')
-        Text(this.perfNetworkLatency > 0 ? ` ${this.perfNetworkLatency} ms` : ' N/A')
+        this.PerfIcon(PerfSymbols.NETWORK, 13,
+          this.perfNetworkLatency < 0 ? '#64FFDA' : (this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50'))
+        Text(this.perfNetworkLatency !== 0 ? ` ${this.perfNetworkLatency} ms` : ' N/A')
           .fontSize(11)
           .fontWeight(FontWeight.Medium)
-          .fontColor(this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50')
+          .fontColor(this.perfNetworkLatency < 0 ? '#64FFDA' : (this.perfNetworkLatency > 50 ? '#FFA726' : '#4CAF50'))
         if (this.hasNextItem(PerformanceItem.NETWORK_LATENCY)) this.Separator()
       }
       
@@ -701,6 +727,8 @@ export struct PerformanceOverlay {
       if (this.enabledItemsList.includes(PerformanceItem.DECODE_LATENCY)) {
         if (this.perfLatency >= 20) {
           Text('🥵').fontSize(12)
+        } else if (this.perfLatency < 0) {
+          Text('❄️').fontSize(12)
         } else {
           this.PerfIcon(PerfSymbols.DECODE_NORMAL, 13, getLatencyColor(this.perfLatency))
         }
@@ -713,11 +741,11 @@ export struct PerformanceOverlay {
       
       // 主机延迟
       if (this.enabledItemsList.includes(PerformanceItem.HOST_LATENCY)) {
-        this.PerfIcon(PerfSymbols.HOST, 13, '#009688')
-        Text(this.perfHostLatency > 0 ? ` ${this.perfHostLatency.toFixed(1)} ms` : ' N/A')
+        this.PerfIcon(PerfSymbols.HOST, 13, this.perfHostLatency < 0 ? '#64FFDA' : '#009688')
+        Text(this.perfHostLatency !== 0 ? ` ${this.perfHostLatency.toFixed(1)} ms` : ' N/A')
           .fontSize(11)
           .fontWeight(FontWeight.Medium)
-          .fontColor('#009688')
+          .fontColor(this.perfHostLatency < 0 ? '#64FFDA' : '#009688')
         if (this.hasNextItem(PerformanceItem.HOST_LATENCY)) this.Separator()
       }
       
diff --git a/entry/src/main/ets/components/PerformanceOverlayManager.ets b/entry/src/main/ets/components/PerformanceOverlayManager.ets
index 8b4f6ad..e2b9a00 100644
--- a/entry/src/main/ets/components/PerformanceOverlayManager.ets
+++ b/entry/src/main/ets/components/PerformanceOverlayManager.ets
@@ -270,11 +270,20 @@ export function getPacketLossColor(loss: number): string {
  * 获取延迟颜色
  */
 export function getLatencyColor(ms: number): string {
+  if (ms < 0) return '#64FFDA';    // 青色 - 负延迟™
   if (ms < 10) return '#7D9D7D';   // 绿色 - 优秀
   if (ms < 20) return '#D597E3';   // 紫色 - 正常
   return '#B57D7D';  // 红色 - 差
 }
 
+/**
+ * 愚人节彩蛋：负延迟串流™
+ */
+export function isAprilFools(): boolean {
+  const now = new Date();
+  return now.getMonth() === 3 && now.getDate() === 1;
+}
+
 /**
  * 获取电池颜色
  */
diff --git a/entry/src/main/ets/pages/SettingsPageV2.ets b/entry/src/main/ets/pages/SettingsPageV2.ets
index 9b40ca5..226de07 100644
--- a/entry/src/main/ets/pages/SettingsPageV2.ets
+++ b/entry/src/main/ets/pages/SettingsPageV2.ets
@@ -2176,7 +2176,11 @@ struct SettingsPageV2 {
                 title: '版本',
                 subtitle: this.appVersion,
                 type: 'action',
-                action: () => {}
+                action: () => {
+                  const pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, this.appVersion);
+                  pasteboard.getSystemPasteboard().setDataSync(pasteData);
+                  this.showToast(`已复制版本号: ${this.appVersion}`);
+                }
               },
               {
                 title: '更新日志',
@@ -3590,7 +3594,7 @@ struct SettingsPageV2 {
         if (option.value === 'none') {
           bgUtil.disableBackgroundImage();
         }
-        this.showToast(`背景图片设置为: ${option.title}`);
+        this.showToast(`背景图片设置为: ${option.title}，重启应用后生效`);
       }
     };
     this.showPicker(config);
diff --git a/nativelib/src/main/cpp/game_controller_native.cpp b/nativelib/src/main/cpp/game_controller_native.cpp
index fd4b50a..9637ae3 100644
--- a/nativelib/src/main/cpp/game_controller_native.cpp
+++ b/nativelib/src/main/cpp/game_controller_native.cpp
@@ -359,6 +359,25 @@ static bool TryLoadGameControllerLib() {
         g_gcLibAvailable = false;
         return false;
     }
+
+    // 验证所有按键/轴监听函数是否加载成功
+    int missingCount = 0;
+    #define CHECK_FUNC(name) if (!pfn_##name) { LOGW("GCK: 缺少符号 " #name); missingCount++; }
+    CHECK_FUNC(OH_GamePad_ButtonA_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_ButtonB_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_ButtonX_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_ButtonY_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_LeftShoulder_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_RightShoulder_RegisterButtonInputMonitor)
+    CHECK_FUNC(OH_GamePad_LeftThumbstick_RegisterAxisInputMonitor)
+    CHECK_FUNC(OH_GamePad_RightThumbstick_RegisterAxisInputMonitor)
+    CHECK_FUNC(OH_GamePad_Dpad_RegisterAxisInputMonitor)
+    CHECK_FUNC(OH_GamePad_LeftTrigger_RegisterAxisInputMonitor)
+    CHECK_FUNC(OH_GamePad_RightTrigger_RegisterAxisInputMonitor)
+    #undef CHECK_FUNC
+    if (missingCount > 0) {
+        LOGW("Game Controller Kit: %d 个函数符号缺失，监听可能不完整", missingCount);
+    }
 #endif
     
     LOGI("Game Controller Kit 动态库加载成功");
@@ -770,36 +789,42 @@ static void OnRightTriggerAxis(const struct GamePad_AxisEvent* axisEvent) {
 // 按键 + 轴监听的注册/注销在 StartMonitor、StopMonitor、Pause、Resume 中重复出现 4 次
 // 提取为内部 helper 消除重复
 
+#if GAME_CONTROLLER_KIT_AVAILABLE
+
+// 安全调用宏：函数指针非空时才调用（已被 #define 重定向为 pfn_* 指针）
+#define SAFE_CALL(func, ...) do { if (func) func(__VA_ARGS__); } while(0)
+#define SAFE_CALL0(func) do { if (func) func(); } while(0)
+
 /**
  * 注册所有按键 + 轴输入监听（不含设备监听）
  * 调用者需持有 g_mutex 或保证线程安全
  */
 static void RegisterAllInputMonitors() {
     // 按键监听
-    OH_GamePad_ButtonA_RegisterButtonInputMonitor(OnButtonA);
-    OH_GamePad_ButtonB_RegisterButtonInputMonitor(OnButtonB);
-    OH_GamePad_ButtonX_RegisterButtonInputMonitor(OnButtonX);
-    OH_GamePad_ButtonY_RegisterButtonInputMonitor(OnButtonY);
-    OH_GamePad_ButtonC_RegisterButtonInputMonitor(OnButtonC);
-    OH_GamePad_LeftShoulder_RegisterButtonInputMonitor(OnLeftShoulder);
-    OH_GamePad_RightShoulder_RegisterButtonInputMonitor(OnRightShoulder);
-    OH_GamePad_LeftTrigger_RegisterButtonInputMonitor(OnLeftTriggerButton);
-    OH_GamePad_RightTrigger_RegisterButtonInputMonitor(OnRightTriggerButton);
-    OH_GamePad_LeftThumbstick_RegisterButtonInputMonitor(OnLeftThumbstick);
-    OH_GamePad_RightThumbstick_RegisterButtonInputMonitor(OnRightThumbstick);
-    OH_GamePad_ButtonHome_RegisterButtonInputMonitor(OnButtonHome);
-    OH_GamePad_ButtonMenu_RegisterButtonInputMonitor(OnButtonMenu);
-    OH_GamePad_Dpad_UpButton_RegisterButtonInputMonitor(OnDpadUp);
-    OH_GamePad_Dpad_DownButton_RegisterButtonInputMonitor(OnDpadDown);
-    OH_GamePad_Dpad_LeftButton_RegisterButtonInputMonitor(OnDpadLeft);
-    OH_GamePad_Dpad_RightButton_RegisterButtonInputMonitor(OnDpadRight);
+    SAFE_CALL(OH_GamePad_ButtonA_RegisterButtonInputMonitor, OnButtonA);
+    SAFE_CALL(OH_GamePad_ButtonB_RegisterButtonInputMonitor, OnButtonB);
+    SAFE_CALL(OH_GamePad_ButtonX_RegisterButtonInputMonitor, OnButtonX);
+    SAFE_CALL(OH_GamePad_ButtonY_RegisterButtonInputMonitor, OnButtonY);
+    SAFE_CALL(OH_GamePad_ButtonC_RegisterButtonInputMonitor, OnButtonC);
+    SAFE_CALL(OH_GamePad_LeftShoulder_RegisterButtonInputMonitor, OnLeftShoulder);
+    SAFE_CALL(OH_GamePad_RightShoulder_RegisterButtonInputMonitor, OnRightShoulder);
+    SAFE_CALL(OH_GamePad_LeftTrigger_RegisterButtonInputMonitor, OnLeftTriggerButton);
+    SAFE_CALL(OH_GamePad_RightTrigger_RegisterButtonInputMonitor, OnRightTriggerButton);
+    SAFE_CALL(OH_GamePad_LeftThumbstick_RegisterButtonInputMonitor, OnLeftThumbstick);
+    SAFE_CALL(OH_GamePad_RightThumbstick_RegisterButtonInputMonitor, OnRightThumbstick);
+    SAFE_CALL(OH_GamePad_ButtonHome_RegisterButtonInputMonitor, OnButtonHome);
+    SAFE_CALL(OH_GamePad_ButtonMenu_RegisterButtonInputMonitor, OnButtonMenu);
+    SAFE_CALL(OH_GamePad_Dpad_UpButton_RegisterButtonInputMonitor, OnDpadUp);
+    SAFE_CALL(OH_GamePad_Dpad_DownButton_RegisterButtonInputMonitor, OnDpadDown);
+    SAFE_CALL(OH_GamePad_Dpad_LeftButton_RegisterButtonInputMonitor, OnDpadLeft);
+    SAFE_CALL(OH_GamePad_Dpad_RightButton_RegisterButtonInputMonitor, OnDpadRight);
 
     // 轴监听
-    OH_GamePad_LeftThumbstick_RegisterAxisInputMonitor(OnLeftThumbstickAxis);
-    OH_GamePad_RightThumbstick_RegisterAxisInputMonitor(OnRightThumbstickAxis);
-    OH_GamePad_Dpad_RegisterAxisInputMonitor(OnDpadAxis);
-    OH_GamePad_LeftTrigger_RegisterAxisInputMonitor(OnLeftTriggerAxis);
-    OH_GamePad_RightTrigger_RegisterAxisInputMonitor(OnRightTriggerAxis);
+    SAFE_CALL(OH_GamePad_LeftThumbstick_RegisterAxisInputMonitor, OnLeftThumbstickAxis);
+    SAFE_CALL(OH_GamePad_RightThumbstick_RegisterAxisInputMonitor, OnRightThumbstickAxis);
+    SAFE_CALL(OH_GamePad_Dpad_RegisterAxisInputMonitor, OnDpadAxis);
+    SAFE_CALL(OH_GamePad_LeftTrigger_RegisterAxisInputMonitor, OnLeftTriggerAxis);
+    SAFE_CALL(OH_GamePad_RightTrigger_RegisterAxisInputMonitor, OnRightTriggerAxis);
 }
 
 /**
@@ -808,32 +833,36 @@ static void RegisterAllInputMonitors() {
  */
 static void UnregisterAllInputMonitors() {
     // 按键监听
-    OH_GamePad_ButtonA_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonB_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonX_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonY_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonC_UnregisterButtonInputMonitor();
-    OH_GamePad_LeftShoulder_UnregisterButtonInputMonitor();
-    OH_GamePad_RightShoulder_UnregisterButtonInputMonitor();
-    OH_GamePad_LeftTrigger_UnregisterButtonInputMonitor();
-    OH_GamePad_RightTrigger_UnregisterButtonInputMonitor();
-    OH_GamePad_LeftThumbstick_UnregisterButtonInputMonitor();
-    OH_GamePad_RightThumbstick_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonHome_UnregisterButtonInputMonitor();
-    OH_GamePad_ButtonMenu_UnregisterButtonInputMonitor();
-    OH_GamePad_Dpad_UpButton_UnregisterButtonInputMonitor();
-    OH_GamePad_Dpad_DownButton_UnregisterButtonInputMonitor();
-    OH_GamePad_Dpad_LeftButton_UnregisterButtonInputMonitor();
-    OH_GamePad_Dpad_RightButton_UnregisterButtonInputMonitor();
+    SAFE_CALL0(OH_GamePad_ButtonA_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonB_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonX_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonY_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonC_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_LeftShoulder_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_RightShoulder_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_LeftTrigger_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_RightTrigger_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_LeftThumbstick_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_RightThumbstick_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonHome_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_ButtonMenu_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_Dpad_UpButton_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_Dpad_DownButton_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_Dpad_LeftButton_UnregisterButtonInputMonitor);
+    SAFE_CALL0(OH_GamePad_Dpad_RightButton_UnregisterButtonInputMonitor);
 
     // 轴监听
-    OH_GamePad_LeftThumbstick_UnregisterAxisInputMonitor();
-    OH_GamePad_RightThumbstick_UnregisterAxisInputMonitor();
-    OH_GamePad_Dpad_UnregisterAxisInputMonitor();
-    OH_GamePad_LeftTrigger_UnregisterAxisInputMonitor();
-    OH_GamePad_RightTrigger_UnregisterAxisInputMonitor();
+    SAFE_CALL0(OH_GamePad_LeftThumbstick_UnregisterAxisInputMonitor);
+    SAFE_CALL0(OH_GamePad_RightThumbstick_UnregisterAxisInputMonitor);
+    SAFE_CALL0(OH_GamePad_Dpad_UnregisterAxisInputMonitor);
+    SAFE_CALL0(OH_GamePad_LeftTrigger_UnregisterAxisInputMonitor);
+    SAFE_CALL0(OH_GamePad_RightTrigger_UnregisterAxisInputMonitor);
 }
 
+#undef SAFE_CALL
+#undef SAFE_CALL0
+#endif // GAME_CONTROLLER_KIT_AVAILABLE
+
 // ==================== 公共 API ====================
 
 bool GameController_IsAvailable(void) {
@@ -875,13 +904,16 @@ int GameController_Init(void) {
 #endif
 }
 
+// Forward declaration - defined after GameController_StopMonitor
+static void GameController_StopMonitorUnlocked();
+
 void GameController_Uninit(void) {
     std::lock_guard<std::mutex> lock(g_mutex);
     
     if (!g_initialized) return;
     
     if (g_gcLibAvailable) {
-        GameController_StopMonitor();
+        GameController_StopMonitorUnlocked();
     }
     
     g_deviceStates.clear();
@@ -1005,10 +1037,9 @@ int GameController_StartMonitor(void) {
 #endif
 }
 
-void GameController_StopMonitor(void) {
+// 无锁版本，供已持有 g_mutex 的调用者使用（如 Uninit）
+static void GameController_StopMonitorUnlocked() {
 #if GAME_CONTROLLER_KIT_AVAILABLE
-    // 注意: 此函数可能在 Uninit 的锁内被调用，不要再加锁
-    
     if (!g_monitoring) return;
     
     if (!g_gcLibAvailable) {
@@ -1030,6 +1061,13 @@ void GameController_StopMonitor(void) {
 #endif
 }
 
+void GameController_StopMonitor(void) {
+#if GAME_CONTROLLER_KIT_AVAILABLE
+    std::lock_guard<std::mutex> lock(g_mutex);
+    GameController_StopMonitorUnlocked();
+#endif
+}
+
 /**
  * 暂停输入监听（仅按键+轴），保留设备上下线监听
  * 用于无手柄场景减少系统轮询干扰，同时保持设备热插拔检测