diff --git a/models/topic.go b/models/topic.go
index 9bbd89e..4ec1488 100644
--- a/models/topic.go
+++ b/models/topic.go
@@ -4,7 +4,7 @@ import "slices"
 
 // topic model
 type Topic struct {
-	Publish   []string `json:"Publish,omitempty"`
+	Publish   []string `json:"publish,omitempty"`
 	Subscribe []string `json:"subscribe,omitempty"`
 }