diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index ef70fd9b88c8f6..53c87a74484c45 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -1032,7 +1032,7 @@ DEFINE_Int64(file_cache_each_block_size, "1048576"); // 1MB
 
 DEFINE_Bool(clear_file_cache, "false");
 DEFINE_Bool(enable_file_cache_query_limit, "false");
-DEFINE_mInt32(file_cache_enter_disk_resource_limit_mode_percent, "90");
+DEFINE_mInt32(file_cache_enter_disk_resource_limit_mode_percent, "88");
 DEFINE_mInt32(file_cache_exit_disk_resource_limit_mode_percent, "80");
 DEFINE_mBool(enable_read_cache_file_directly, "false");
 DEFINE_mBool(file_cache_enable_evict_from_other_queue_by_size, "true");