diff --git a/YYText/Utility/YYTextAsyncLayer.m b/YYText/Utility/YYTextAsyncLayer.m
index e94bc47e..aa8669df 100644
--- a/YYText/Utility/YYTextAsyncLayer.m
+++ b/YYText/Utility/YYTextAsyncLayer.m
@@ -155,6 +155,9 @@ - (void)_displayAsync:(BOOL)async {
                 CGColorRelease(backgroundColor);
                 return;
             }
+            if ((size.width == 0) || (size.height == 0)) {
+                return;
+            }
             UIGraphicsBeginImageContextWithOptions(size, opaque, scale);
             CGContextRef context = UIGraphicsGetCurrentContext();
             if (opaque) {
@@ -198,6 +201,9 @@ - (void)_displayAsync:(BOOL)async {
             });
         });
     } else {
+        if ((self.bounds.size.width == 0) || (self.bounds.size.height == 0)) {
+            return;
+        }
         [_sentinel increase];
         if (task.willDisplay) task.willDisplay(self);
         UIGraphicsBeginImageContextWithOptions(self.bounds.size, self.opaque, self.contentsScale);