diff --git a/README-zh_CN.md b/README-zh_CN.md
index af4b4262b0..762e0413c2 100644
--- a/README-zh_CN.md
+++ b/README-zh_CN.md
@@ -863,7 +863,7 @@ export class Album {
         cascadeRemove: true  // 在移除Album时，会自动移除相册里的Photo
     })
     @JoinTable()
-    photos: Photo[] = []; // 初始化个Photo数组
+    photos: Photo[];
 }
 ```
   
@@ -880,7 +880,7 @@ export class Photo {
         cascadeUpdate: true, // 在更新Album时，会自动更新相册里的Photo 
         cascadeRemove: true  // 在移除Album时，会自动移除相册里的Photo
     })
-    albums: Album[] = []; // 初始化个Album数组
+    albums: Album[];
 }
 ```
 
diff --git a/README.md b/README.md
index 5ee367271d..e68953af1e 100644
--- a/README.md
+++ b/README.md
@@ -945,7 +945,7 @@ export class Album {
         cascadeUpdate: true // Allow to update a photo on album save
     })
     @JoinTable()
-    photos: Photo[] = []; // We initialize array for convinience here
+    photos: Photo[];
 }
 ```
   
@@ -961,7 +961,7 @@ export class Photo {
         cascadeInsert: true, // Allow to insert a new album on photo save
         cascadeUpdate: true // Allow to update an album on photo save
     })
-    albums: Album[] = []; // We initialize array for convinience here
+    albums: Album[];
 }
 ```