From 99f3d1bad0c72d3f683f9243e0f1d71be1d138c2 Mon Sep 17 00:00:00 2001
From: colinlyguo <colinlyguo@scroll.io>
Date: Sat, 29 Jun 2024 05:50:02 +0800
Subject: [PATCH] fix(coordinator): panic

---
 coordinator/internal/logic/provertask/batch_prover_task.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coordinator/internal/logic/provertask/batch_prover_task.go b/coordinator/internal/logic/provertask/batch_prover_task.go
index f23d79d081..79cc4f8aea 100644
--- a/coordinator/internal/logic/provertask/batch_prover_task.go
+++ b/coordinator/internal/logic/provertask/batch_prover_task.go
@@ -263,7 +263,7 @@ func (bp *BatchProverTask) assignWithTwoCircuits(ctx *gin.Context, taskCtx *prov
 	var hardForkName string
 	getHardForkName := func(batch *orm.Batch) (string, error) {
 		for i := 0; i < 2; i++ {
-			if chunkRanges[i].contains(batch.StartChunkIndex, batch.EndChunkIndex) {
+			if chunkRanges[i] != nil && chunkRanges[i].contains(batch.StartChunkIndex, batch.EndChunkIndex) {
 				hardForkName = hardForkNames[i]
 				break
 			}