iOS:fix iOS 14 cannot display image

doric-iOS/Pod/Classes/Shader/DoricImageNode.m

@@ -30,6 +30,17 @@ @interface DoricImageView : YYAnimatedImageView
 @end
 
 @implementation DoricImageView
+- (void)displayLayer:(CALayer *)layer {
+    if (@available(iOS 14.0, *)) {
+        if (self.isAnimating) {
+            [super displayLayer:layer];
+        } else {
+            layer.contents = (__bridge id) self.image.CGImage;
+        };
+    } else {
+        [super displayLayer:layer];
+    }
+}
 @end
 
 @interface DoricImageNode ()