diff --git a/system-variable-reference.md b/system-variable-reference.md
index 0cbe80e8471b8..2d00681b10eec 100644
--- a/system-variable-reference.md
+++ b/system-variable-reference.md
@@ -1292,8 +1292,8 @@ Referenced in:
 - [TiDB Best Practices](/best-practices/tidb-best-practices.md)
 - [TiDB Cloud v6.5 TPC-C Performance Test Report](https://docs.pingcap.com/tidbcloud/v6.5-performance-benchmarking-with-tpcc)
 - [TiDB Cloud v7.1 TPC-C Performance Test Report](https://docs.pingcap.com/tidbcloud/v7.1-performance-benchmarking-with-tpcc)
-- [TiDB Cloud v7.5 TPC-C Performance Test Report](/tidb-cloud/v7.5-performance-benchmarking-with-tpcc.md)
-- [TiDB Cloud v8.1 TPC-C Performance Test Report](/tidb-cloud/v8.1-performance-benchmarking-with-tpcc.md)
+- [TiDB Cloud v7.5 TPC-C Performance Test Report](https://docs.pingcap.com/tidbcloud/v7.5-performance-benchmarking-with-tpcc)
+- [TiDB Cloud v8.1 TPC-C Performance Test Report](https://docs.pingcap.com/tidbcloud/v8.1-performance-benchmarking-with-tpcc)
 - [TiDB TPC-H Performance Test Report -- v4.0 vs v3.0](/benchmark/v4.0-performance-benchmarking-with-tpch.md)
 - [Troubleshoot Out of Memory Errors](/troubleshoot-tidb-oom.md)
 - [TiDB 6.4.0 Release Notes](/releases/release-6.4.0.md)