diff --git a/assets b/assets
index a5ade069..194c0c3f 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit a5ade06951d6e3dd9168ba303cfd250d41ceffb9
+Subproject commit 194c0c3f227e9a49a475d3436acf356ed6ac97f7
diff --git a/inventory/user.go b/inventory/user.go
index 569c579d..bb0391fe 100644
--- a/inventory/user.go
+++ b/inventory/user.go
@@ -16,6 +16,7 @@ import (
 	"github.com/cloudreve/Cloudreve/v4/ent"
 	"github.com/cloudreve/Cloudreve/v4/ent/davaccount"
 	"github.com/cloudreve/Cloudreve/v4/ent/file"
+	"github.com/cloudreve/Cloudreve/v4/ent/oauthgrant"
 	"github.com/cloudreve/Cloudreve/v4/ent/passkey"
 	"github.com/cloudreve/Cloudreve/v4/ent/schema"
 	"github.com/cloudreve/Cloudreve/v4/ent/task"
@@ -214,6 +215,11 @@ func (c *userClient) Delete(ctx context.Context, uid int) error {
 		return fmt.Errorf("failed to delete tasks: %w", err)
 	}
 
+	// OAuth grants
+	if _, err := c.client.OAuthGrant.Delete().Where(oauthgrant.UserID(uid)).Exec(schema.SkipSoftDelete(ctx)); err != nil {
+		return fmt.Errorf("failed to delete oauth grants: %w", err)
+	}
+
 	return c.client.User.DeleteOneID(uid).Exec(schema.SkipSoftDelete(ctx))
 }