diff --git a/app/src/main/java/com/gh/common/util/DialogUtils.java b/app/src/main/java/com/gh/common/util/DialogUtils.java
index 06acf15ef5..06b2eacb91 100644
--- a/app/src/main/java/com/gh/common/util/DialogUtils.java
+++ b/app/src/main/java/com/gh/common/util/DialogUtils.java
@@ -863,7 +863,7 @@ public class DialogUtils {
         // 区分此 dialog 是点击 dialog 外部取消的还是点击返回取消的
         AtomicBoolean isCanceledByClickOutsideOfDialog = new AtomicBoolean(true);
 
-        final Dialog dialog = new Dialog(activityContext, R.style.GhAlertDialog);
+        final Dialog dialog = new Dialog(activityContext, android.R.style.Theme_Black_NoTitleBar_Fullscreen);
         View contentView = LayoutInflater.from(activityContext).inflate(R.layout.dialog_privacy_policy, null);
         dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
         dialog.setContentView(contentView);