diff --git a/gallery/src/main/java/cc/winboll/studio/gallery/utils/BackgroundUtils.java b/gallery/src/main/java/cc/winboll/studio/gallery/utils/BackgroundUtils.java
index 1b526db..f55cef8 100644
--- a/gallery/src/main/java/cc/winboll/studio/gallery/utils/BackgroundUtils.java
+++ b/gallery/src/main/java/cc/winboll/studio/gallery/utils/BackgroundUtils.java
@@ -50,6 +50,7 @@ public class BackgroundUtils {
             utils.drawableType = DrawableType.RESOURCE_ID;
             utils.resId = resId;
             utils.drawable = ContextCompat.getDrawable(utils.context, resId);
+            utils.saveToPreferences();
             return utils;
         }
     }
@@ -61,6 +62,7 @@ public class BackgroundUtils {
             utils.drawableType = DrawableType.COLOR;
             utils.color = color;
             utils.drawable = new ColorDrawable(color);
+            utils.saveToPreferences();
             return utils;
         }
     }
@@ -79,9 +81,8 @@ public class BackgroundUtils {
                 int color = prefs.getInt(KEY_COLOR, Color.BLACK);
                 return initFromColor(appContext, color);
             }
-            BackgroundUtils utils = initFromColor(appContext, 0xFF00FF00);
-            utils.saveToPreferences();
-            return utils;
+            // 默认情况，initFromColor 内部已经调用了 saveToPreferences()
+            return initFromColor(appContext, 0xFF00FF00);
         }
     }