diff --git a/app/src/editor/util.ts b/app/src/editor/util.ts
index 06b45c665..16bad5ff4 100644
--- a/app/src/editor/util.ts
+++ b/app/src/editor/util.ts
@@ -441,9 +441,8 @@ export const updateBacklinkGraph = (models: IModels, protyle: IProtyle) => {
             return;
         }
         item.element.querySelector('.block__icon[data-type="refresh"] svg').classList.add("fn__rotate");
-        fetchPost("/api/ref/getBacklink", {
+        fetchPost("/api/ref/getBacklink2", {
             id: blockId || "",
-            beforeLen: 12,
             k: item.inputsElement[0].value,
             mk: item.inputsElement[1].value,
         }, response => {
diff --git a/app/src/layout/dock/Backlink.ts b/app/src/layout/dock/Backlink.ts
index 90a5d4230..893ca0738 100644
--- a/app/src/layout/dock/Backlink.ts
+++ b/app/src/layout/dock/Backlink.ts
@@ -379,10 +379,9 @@ export class Backlink extends Model {
             return;
         }
         element.classList.add("fn__rotate");
-        fetchPost("/api/ref/getBacklink", {
+        fetchPost("/api/ref/getBacklink2", {
             k: this.inputsElement[0].value,
             mk: this.inputsElement[1].value,
-            beforeLen: 12,
             id: this.blockId,
         }, response => {
             this.render(response.data);