[M][0]: add multi thread notice

Fykec · Aug 15, 2019 · 700db2b · 700db2b
1 parent 8f176f6
commit 700db2b
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/NSObject+Attachment.h b/NSObject+Attachment.h
@@ -9,6 +9,6 @@
 
 @interface NSObject (Attachment)
 
-@property (atomic, strong) id attachment;
+@property (nonatomic, strong) id attachment;
 
 @end
diff --git a/NSObject+Attachment.m b/NSObject+Attachment.m
@@ -13,7 +13,6 @@ @implementation NSObject (Attachment)
 
 - (void)setAttachment:(id)attachment
 {
-
     objc_setAssociatedObject(self, (__bridge const void *)(kAttachmentKey), attachment, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
 

diff --git a/README.md b/README.md
@@ -31,4 +31,8 @@ button.attachment = <your data>;
 	id <your data> = button.attachment;
 	//
 }
-```
+```
+
+## 注意
+
+attachment 的settter 和 getter 不是线程安全的，多线程问题，需要在调用的处理。