diff --git a/components/label/api/label/index.ts b/components/label/api/label/index.ts
index 47f4f58..d2139a3 100644
--- a/components/label/api/label/index.ts
+++ b/components/label/api/label/index.ts
@@ -123,6 +123,7 @@ export const getAuxiliaryAnnotation = (data: {
     background_points?: Array<[number, number]>
     boxes?: Array<[number, number, number, number]>
   }
+  contour_approximation?: number
 }) => {
   return httpFetch<{
     contours: Array<Array<[[number, number]]>>
diff --git a/components/label/components/PaperContainer.tsx b/components/label/components/PaperContainer.tsx
index d7b8c39..05263b5 100644
--- a/components/label/components/PaperContainer.tsx
+++ b/components/label/components/PaperContainer.tsx
@@ -997,6 +997,7 @@ const PaperContainer = (
                 : {}),
               ...(normalizedBoxes.length ? { boxes: normalizedBoxes } : {}),
             },
+            contour_approximation: 0,
           })
           const { contours = [], hollows = [] } = data || {}
           const outerPaths: any[] = []
@@ -1050,6 +1051,8 @@ const PaperContainer = (
           })
         } catch (error) {
           console.log(error)
+        } finally {
+          notifications.hide("sam2")
         }
       } catch (error: any) {
         console.log(error)