diff --git a/models/resources/workflow/graph/graph.go b/models/resources/workflow/graph/graph.go
index ed3a0c6..0e44e6d 100644
--- a/models/resources/workflow/graph/graph.go
+++ b/models/resources/workflow/graph/graph.go
@@ -30,8 +30,8 @@ type GraphLinkStyle struct {
 	StartArrow      Position `bson:"start_arrow" json:"start_arrow"`
 	ArrowStyle      int64    `bson:"arrow_style" json:"arrow_style" validate:"required"`
 	ArrowDirection  int64    `bson:"arrow_direction" json:"arrow_direction" validate:"required"`
-	StartArrowWidth float64  `bson:"start_arrow_style" json:"start_arrow_style"`
-	EndArrowWidth   float64  `bson:"end_arrow_style" json:"end_arrow_style"`
+	StartArrowWidth float64  `bson:"start_arrow_width" json:"start_arrow_width"`
+	EndArrowWidth   float64  `bson:"end_arrow_width" json:"end_arrow_width"`
 }
 
 type Position struct {