diff --git a/src/object_store/src/object/mod.rs b/src/object_store/src/object/mod.rs
index e43d349efef1e..b59ed5067bc34 100644
--- a/src/object_store/src/object/mod.rs
+++ b/src/object_store/src/object/mod.rs
@@ -922,7 +922,6 @@ pub async fn build_remote_object_store(
         sim if sim.starts_with("sim://") => {
             ObjectStoreImpl::Sim(SimObjectStore::new(url).monitored(metrics))
         }
-
         other => {
             unimplemented!(
                 "{} remote object store only supports s3, minio, gcs, oss, cos, azure blob, hdfs, disk, memory, and memory-shared.",
diff --git a/src/object_store/src/object/sim/mod.rs b/src/object_store/src/object/sim/mod.rs
index a747c84026dca..d49e87cc6641a 100644
--- a/src/object_store/src/object/sim/mod.rs
+++ b/src/object_store/src/object/sim/mod.rs
@@ -22,7 +22,7 @@ pub use rpc_server::SimServer;
 mod service;
 
 use std::net::SocketAddr;
-use std::ops::Range;
+use std::ops::{Range, RangeBounds};
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
@@ -54,9 +54,7 @@ impl SimStreamingUploader {
 #[async_trait::async_trait]
 impl StreamingUploader for SimStreamingUploader {
     async fn write_bytes(&mut self, data: Bytes) -> ObjectResult<()> {
-        let data_len = data.len();
         self.buf.put(data);
-
         Ok(())
     }
 
@@ -188,7 +186,7 @@ impl ObjectStore for SimObjectStore {
             return Err(SimError::other("expect Response::Read").into());
         };
 
-        Ok(Box::pin(SimDataIterator::new(body)))
+        Ok(Box::pin(SimDataIterator::new(body.slice(range))))
     }
 
     async fn delete(&self, path: &str) -> ObjectResult<()> {
@@ -237,11 +235,15 @@ impl ObjectStore for SimObjectStore {
 impl SimObjectStore {
     pub fn new(addr: &str) -> Self {
         let addr = addr.strip_prefix("sim://").unwrap();
-        let (addr, _bucket) = addr.split_once('/').unwrap();
+        let (_access_key_id, rest) = addr.split_once(':').unwrap();
+        let (_secret_access_key, rest) = rest.split_once('@').unwrap();
+        let (address, _bucket) = rest.split_once('/').unwrap();
+
         Self {
             client: Client::new(
-                addr.parse::<SocketAddr>()
-                    .expect(&format!("parse SockAddr failed: {}", addr)),
+                address
+                    .parse::<SocketAddr>()
+                    .expect(&format!("parse SockAddr failed: {}", address)),
             ),
         }
     }
diff --git a/src/tests/simulation/src/cluster.rs b/src/tests/simulation/src/cluster.rs
index ca9a7cce2fd42..a5c8fdc08987f 100644
--- a/src/tests/simulation/src/cluster.rs
+++ b/src/tests/simulation/src/cluster.rs
@@ -386,7 +386,6 @@ impl Cluster {
             .build();
 
         // object_store_sim
-        #[cfg(madsim)]
         handle
             .create_node()
             .name("object_store_sim")
@@ -422,8 +421,7 @@ impl Cluster {
                 "--etcd-endpoints",
                 "etcd:2388",
                 "--state-store",
-                // "hummock+minio://hummockadmin:hummockadmin@192.168.12.1:9301/hummock001",
-                "hummock+sim://192.168.12.1:9301/hummock001",
+                "hummock+sim://hummockadmin:hummockadmin@192.168.12.1:9301/hummock001",
                 "--data-directory",
                 "hummock_001",
             ]);