diff --git a/app/src/main/java/com/ouxuan/oxface/OXFaceOnlineActivity.java b/app/src/main/java/com/ouxuan/oxface/OXFaceOnlineActivity.java
index cb2a2b5..e99a02b 100644
--- a/app/src/main/java/com/ouxuan/oxface/OXFaceOnlineActivity.java
+++ b/app/src/main/java/com/ouxuan/oxface/OXFaceOnlineActivity.java
@@ -711,11 +711,15 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
                 
                 @Override
                 public void onGateAvailable() {
-                    LogManager.logInfo(TAG, "门禁恢复可用，隐藏弹窗");
+                    LogManager.logInfo(TAG, "门禁恢复可用，隐藏弹窗并恢复摄像头预览");
+                    
                     // 隐藏门禁不可用弹窗
                     if (gateUnavailableDialog != null && gateUnavailableDialog.isShowing()) {
                         gateUnavailableDialog.hide();
                     }
+                    
+                    // 恢复摄像头预览（与弹窗的onDialogHide回调保持一致）
+                    resumeCamera();
                 }
             });
             
diff --git a/app/src/main/java/com/ouxuan/oxface/device/GateABController.java b/app/src/main/java/com/ouxuan/oxface/device/GateABController.java
index eabbef5..cc1ba8b 100644
--- a/app/src/main/java/com/ouxuan/oxface/device/GateABController.java
+++ b/app/src/main/java/com/ouxuan/oxface/device/GateABController.java
@@ -997,11 +997,23 @@ public class GateABController {
         // 如果状态发生变化且有监听器，通知监听器
         if (stateChanged && gateStateListener != null) {
             final boolean finalShouldShowDialog = shouldShowDialog;
+            final boolean shouldHideDialog = oldShouldShow && !newShouldShow;
+            
             syncHandler.post(() -> {
                 gateStateListener.onGateStateChanged(currentGateState);
-                // 如果需要显示弹窗，额外通知
-                if (finalShouldShowDialog && gateStateListener instanceof GateUnavailableListener) {
-                    ((GateUnavailableListener) gateStateListener).onGateUnavailable(currentGateState.getUnavailableReason());
+                
+                if (gateStateListener instanceof GateUnavailableListener) {
+                    GateUnavailableListener unavailableListener = (GateUnavailableListener) gateStateListener;
+                    
+                    // 如果需要显示弹窗，触发不可用回调
+                    if (finalShouldShowDialog) {
+                        unavailableListener.onGateUnavailable(currentGateState.getUnavailableReason());
+                    }
+                    // 如果需要隐藏弹窗（门状态恢复正常），触发可用回调
+                    else if (shouldHideDialog) {
+                        LogManager.logInfo(TAG, "触发门禁恢复可用回调，隐藏弹窗并恢复摄像头");
+                        unavailableListener.onGateAvailable();
+                    }
                 }
             });
         }