diff --git a/YYText/Utility/YYTextAsyncLayer.m b/YYText/Utility/YYTextAsyncLayer.m
index 9f09700a..4a418c98 100644
--- a/YYText/Utility/YYTextAsyncLayer.m
+++ b/YYText/Utility/YYTextAsyncLayer.m
@@ -117,6 +117,10 @@ - (void)display {
 #pragma mark - Private
 
 - (void)_displayAsync:(BOOL)async {
+    if (self.bounds.size.width<=0 || self.bounds.size.height<=0) {
+        self.contents = nil;
+        return;
+    }
     __strong id<YYTextAsyncLayerDelegate> delegate = (id)self.delegate;
     YYTextAsyncLayerDisplayTask *task = [delegate newAsyncDisplayTask];
     if (!task.display) {