diff --git a/YYText/Utility/YYTextAsyncLayer.m b/YYText/Utility/YYTextAsyncLayer.m
index 9f09700a..5c6509f9 100644
--- a/YYText/Utility/YYTextAsyncLayer.m
+++ b/YYText/Utility/YYTextAsyncLayer.m
@@ -200,6 +200,7 @@ - (void)_displayAsync:(BOOL)async {
     } else {
         [_sentinel increase];
         if (task.willDisplay) task.willDisplay(self);
+        if (CGSizeEqualToSize(self.bounds.size, CGSizeZero)) return;
         UIGraphicsBeginImageContextWithOptions(self.bounds.size, self.opaque, self.contentsScale);
         CGContextRef context = UIGraphicsGetCurrentContext();
         if (self.opaque && context) {