diff --git a/Whiteboard/Classes/Object/WhiteMemberState.m b/Whiteboard/Classes/Object/WhiteMemberState.m
index 348ff37c..cd0a1475 100644
--- a/Whiteboard/Classes/Object/WhiteMemberState.m
+++ b/Whiteboard/Classes/Object/WhiteMemberState.m
@@ -76,6 +76,7 @@ - (void)setTextColor:(NSArray<NSNumber *> *)textColor {
 
 @implementation WhiteMemberState
 @dynamic currentApplianceName;
+@dynamic strokeType;
 @dynamic strokeColor;
 @dynamic textColor;
 @dynamic strokeWidth;