diff --git a/common_service/socket/src/apis.rs b/common_service/socket/src/apis.rs
index 1c00fc09..1e0c0727 100644
--- a/common_service/socket/src/apis.rs
+++ b/common_service/socket/src/apis.rs
@@ -132,7 +132,7 @@ pub fn smol_send(handle: SockFd, data: &[u8]) -> SmoltcpResult<()> {
 
 #[no_mangle]
 pub fn smol_recv(handle: SockFd, buf: &mut [u8]) -> SmoltcpResult<Size> {
-    // println!("smol_recv");
+    println!("smol_recv");
     let mut iface = acquire_iface()?;
     let mut sockets = acquire_sockets()?;
 
diff --git a/common_service/socket/src/lib.rs b/common_service/socket/src/lib.rs
index 0685703a..f6dacb61 100644
--- a/common_service/socket/src/lib.rs
+++ b/common_service/socket/src/lib.rs
@@ -88,7 +88,8 @@ lazy_static! {
         iface.update_ip_addrs(|ip_addrs| {
             ip_addrs
                 .push(IpCidr::new(
-                    IpAddress::v4(192, 168, 69, init_context::isolation_ctx().isol_id as u8),
+                    // IpAddress::v4(192, 168, 69, init_context::isolation_ctx().isol_id as u8),
+                    IpAddress::v4(192, 168, 69, 1),
                     24,
                 ))
                 .unwrap();
diff --git a/justfile b/justfile
index a37e61db..4c4132a8 100644
--- a/justfile
+++ b/justfile
@@ -2,7 +2,7 @@
 set positional-arguments
 
 enable_mpk := "0"
-enable_pkey_per_func := "1"
+enable_pkey_per_func := "0"
 
 enable_release := "0"
 
@@ -26,8 +26,11 @@ release_flag := if enable_release == "1" {
     "--release" 
 } else { "" }
 
-all_rust: 
-    # ./scripts/build_user.sh 
+all_libos:
+    ./scripts/build_all_common{{ if enable_mpk == "1" { "_mpk" } else { "" } }}.sh {{ release_flag }}
+
+all_rust:
+    just all_libos
     ./scripts/build_user.sh {{ release_flag }} {{ cmd_flag }}
 
 cc_flags_p1 := "-Wl,--gc-sections -nostdlib -Wl,--whole-archive"
@@ -97,6 +100,7 @@ c_checker_so:
             -o target/{{target}}/debug/libwasmtime_checker.so
 
 run_rust_test:
+    just all_libos
     just all_rust
     ./scripts/run_tests.sh {{ cmd_flag }}
 
diff --git a/scripts/build_user.sh b/scripts/build_user.sh
index 342f42f0..307f875d 100755
--- a/scripts/build_user.sh
+++ b/scripts/build_user.sh
@@ -23,7 +23,6 @@ for file in $(find user -name 'Cargo.toml' \
     -not -path 'user/httpd/Cargo.toml' \
     -not -path 'user/should_panic/Cargo.toml' \
     -not -path 'user/load_all/Cargo.toml' \
-    -not -path 'user/simple_http/Cargo.toml' \
     -not -path 'user/never_stop/Cargo.toml' \
     -not -path 'user/tinywasm*/Cargo.toml' \
     -not -path 'user/wasmtime*/Cargo.toml'); do
diff --git a/user/simple_http/Cargo.toml b/user/simple_http/Cargo.toml
index bcb1b195..38752715 100644
--- a/user/simple_http/Cargo.toml
+++ b/user/simple_http/Cargo.toml
@@ -14,4 +14,6 @@ ms_std = { path = "../../ms_std", features = ["unwinding", "alloc_def"] }
 
 [features]
 mpk = ["ms_std/mpk"]
+pkey_per_func = ["mpk"]
+
 default = []
\ No newline at end of file
diff --git a/user/simple_http/src/lib.rs b/user/simple_http/src/lib.rs
index 4ec2d8eb..d13d5e79 100644
--- a/user/simple_http/src/lib.rs
+++ b/user/simple_http/src/lib.rs
@@ -9,7 +9,8 @@ use ms_std::{agent::FaaSFuncResult as Result, net::TcpStream, println};
 
 #[no_mangle]
 pub fn main() -> Result<()> {
-    let mut stream = TcpStream::connect("192.168.69.100:9999".into())?;
+    let mut stream = TcpStream::connect("www.baidu.com".into())?;
+    println!("tcp connection created.");
     stream.write_all(b"GET / HTTP/1.0\r\n\r\n")?;
     let mut buffer = [0; 4096];
     // println!("send data finish.");