diff --git a/ultros/Cargo.toml b/ultros/Cargo.toml
index 9caa54fb..865b2a58 100644
--- a/ultros/Cargo.toml
+++ b/ultros/Cargo.toml
@@ -60,3 +60,5 @@ jemalloc_pprof = {version = "0.1.0", optional = true}
 
 [features]
 profiling = ["dep:tikv-jemallocator", "dep:jemalloc_pprof"]
+jemalloc = ["dep:tikv-jemallocator"]
+default = ["jemalloc"]
\ No newline at end of file