diff --git a/os/src/syscall/process.rs b/os/src/syscall/process.rs
index 04d1b030..9b32b310 100644
--- a/os/src/syscall/process.rs
+++ b/os/src/syscall/process.rs
@@ -99,13 +99,13 @@ pub fn sys_waitpid(pid: isize, exit_code_ptr: *mut i32) -> isize {
     // ---- release current PCB lock automatically
 }
 
-pub fn sys_get_time(ts: *mut TimeVal, _tz: usize) -> isize {
-    let us = get_time_us();
-    unsafe {
-        *ts = TimeVal {
-            sec: us / 1_000_000,
-            usec: us % 1_000_000,
-        };
-    }
+pub fn sys_get_time(_ts: *mut TimeVal, _tz: usize) -> isize {
+    let _us = get_time_us();
+    // unsafe {
+    //     *ts = TimeVal {
+    //         sec: us / 1_000_000,
+    //         usec: us % 1_000_000,
+    //     };
+    // }
     0
 }
\ No newline at end of file