refactor(*): 代码质量 - 优化前后端实现并完善协议与画布验证

backend/internal/handler/resource_content_delivery_test.go

@@ -8,9 +8,9 @@ import (
 	"testing"
 
 	"github.com/gin-gonic/gin"
-	"infinite-canvas/backend/internal/assets"
-	"infinite-canvas/backend/internal/model"
-	"infinite-canvas/backend/internal/service"
+	"yingce/backend/internal/assets"
+	"yingce/backend/internal/model"
+	"yingce/backend/internal/service"
 )
 
 func TestNonMediaDeliveryAttachment(t *testing.T) {