diff --git a/packages/plugins/@nocobase/plugin-workflow/src/client/AddButton.tsx b/packages/plugins/@nocobase/plugin-workflow/src/client/AddButton.tsx
index 25eff9a1a7..c3d93feeeb 100644
--- a/packages/plugins/@nocobase/plugin-workflow/src/client/AddButton.tsx
+++ b/packages/plugins/@nocobase/plugin-workflow/src/client/AddButton.tsx
@@ -56,7 +56,7 @@ export function AddButton(props: AddButtonProps) {
           })),
         };
       });
-  }, [instructionList]);
+  }, [branchIndex, instructionList, upstream, workflow]);
   const resource = useMemo(() => {
     if (!workflow) {
       return null;
diff --git a/packages/plugins/@nocobase/plugin-workflow/src/client/style.tsx b/packages/plugins/@nocobase/plugin-workflow/src/client/style.tsx
index 4103593419..ad15dfbaa3 100644
--- a/packages/plugins/@nocobase/plugin-workflow/src/client/style.tsx
+++ b/packages/plugins/@nocobase/plugin-workflow/src/client/style.tsx
@@ -185,14 +185,13 @@ const useStyles = createStyles(({ css, token }) => {
 
       .end-sign {
         position: relative;
-        flex-grow: 1;
         display: flex;
         flex-direction: column;
         align-items: center;
         justify-content: center;
         width: 0;
-        height: 6em;
-        padding: 2em 0;
+        height: 4em;
+        padding: 1em 0;
         border-left: 1px dashed ${token.colorBgLayout};
 
         .anticon {