diff --git a/src/framework/jinux-frame/src/arch/x86/cpu.rs b/src/framework/jinux-frame/src/arch/x86/cpu.rs
index 2c1a21f87..2e6c5dca0 100644
--- a/src/framework/jinux-frame/src/arch/x86/cpu.rs
+++ b/src/framework/jinux-frame/src/arch/x86/cpu.rs
@@ -35,10 +35,9 @@ pub fn this_cpu() -> u32 {
 #[derive(Clone, Default, Copy, Debug)]
 #[repr(C)]
 pub struct UserContext {
-    pub(crate) user_context: RawUserContext,
-    pub fp_regs: FpRegs,
-    /// trap information, this field is all zero when it is syscall
-    pub trap_information: TrapInformation,
+    user_context: RawUserContext,
+    fp_regs: FpRegs,
+    trap_information: TrapInformation,
 }
 
 #[derive(Clone, Default, Copy, Debug)]
@@ -57,6 +56,18 @@ impl UserContext {
     pub fn general_regs_mut(&mut self) -> &mut GeneralRegs {
         &mut self.user_context.general
     }
+
+    pub fn trap_information(&self) -> &TrapInformation {
+        &self.trap_information
+    }
+
+    pub fn fp_regs(&self) -> &FpRegs {
+        &self.fp_regs
+    }
+
+    pub fn fp_regs_mut(&mut self) -> &mut FpRegs {
+        &mut self.fp_regs
+    }
 }
 
 impl UserContextApiInternal for UserContext {
diff --git a/src/services/libs/jinux-std/src/syscall/execve.rs b/src/services/libs/jinux-std/src/syscall/execve.rs
index 885914ad0..13bd76d46 100644
--- a/src/services/libs/jinux-std/src/syscall/execve.rs
+++ b/src/services/libs/jinux-std/src/syscall/execve.rs
@@ -53,7 +53,7 @@ pub fn sys_execve(
     let default_content = UserContext::default();
     *context.general_regs_mut() = *default_content.general_regs();
     context.set_fsbase(default_content.fsbase());
-    context.fp_regs = default_content.fp_regs;
+    *context.fp_regs_mut() = *default_content.fp_regs();
     // set new entry point
     context.set_rip(elf_load_info.entry_point() as _);
     debug!("entry_point: 0x{:x}", elf_load_info.entry_point());
diff --git a/src/services/libs/jinux-std/src/thread/exception.rs b/src/services/libs/jinux-std/src/thread/exception.rs
index 4bd45a6f6..c52cdf7d5 100644
--- a/src/services/libs/jinux-std/src/thread/exception.rs
+++ b/src/services/libs/jinux-std/src/thread/exception.rs
@@ -1,4 +1,3 @@
-use jinux_frame::user::UserContextApi;
 use jinux_frame::{cpu::*, vm::VmIo};
 
 use crate::vm::page_fault_handler::PageFaultHandler;
@@ -6,9 +5,9 @@ use crate::{prelude::*, process::signal::signals::fault::FaultSignal};
 
 /// We can't handle most exceptions, just send self a fault signal before return to user space.
 pub fn handle_exception(context: &mut UserContext) {
-    let trap_info = context.trap_information.clone();
+    let trap_info = context.trap_information();
     let exception = CpuException::to_cpu_exception(trap_info.id as u16).unwrap();
-    log_trap_info(exception, &trap_info);
+    log_trap_info(exception, trap_info);
     let current = current!();
     let root_vmar = current.root_vmar();