diff --git a/src/asm/x86_64_ms_pe_gas.S b/src/asm/x86_64_ms_pe_gas.S
index dd8a33a..79490b5 100644
--- a/src/asm/x86_64_ms_pe_gas.S
+++ b/src/asm/x86_64_ms_pe_gas.S
@@ -3,8 +3,8 @@
 .align 16
 trampoline_callback_entry:
     # 获取本代码的起始位置，存入 r10 寄存器
-    lea trampoline_callback_entry@GOTPCREL(%rip),%r10
-    jmpq * jump_address@GOTPCREL(%rip) // 6byte + 8byte
+    lea trampoline_callback_entry(%rip),%r10
+    jmpq * jump_address(%rip) // 6byte + 8byte
 jump_address: // 保留 8 个字节的空间，generate_trampoline 会在此处填入跳转地址
     .space 16, 0xcc
 
diff --git a/src/asm/x86_64_sysv_elf_gas.S b/src/asm/x86_64_sysv_elf_gas.S
index c70387b..e6e7710 100644
--- a/src/asm/x86_64_sysv_elf_gas.S
+++ b/src/asm/x86_64_sysv_elf_gas.S
@@ -3,9 +3,9 @@
 .align 16
 trampoline_callback_entry:
     # 获取本代码的起始位置，存入 r10 寄存器
-    mov trampoline_callback_entry@GOTPCREL(%rip),%r10
+    lea trampoline_callback_entry(%rip),%r10
     jmpq * jump_address(%rip) // 6byte + 8byte
-
+.align 16
 jump_address: // 保留 8 个字节的空间，generate_trampoline 会在此处填入跳转地址
     .space 8, 0xcc
 
diff --git a/src/executable_allocator.cpp b/src/executable_allocator.cpp
index 50f651c..1c41b58 100644
--- a/src/executable_allocator.cpp
+++ b/src/executable_allocator.cpp
@@ -37,14 +37,15 @@ void ExecutableAllocator::unprotect(void* raw_ptr, std::size_t size)
 
 #else
 
-void * ExecutableAllocator::allocate(std::size_t size)
-{
-  // return malloc(size);
 #ifdef MAP_JIT
-    auto out = mmap(0, size,  PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT, -1, 0);
+#define MMAP_FLAG (MAP_PRIVATE | MAP_ANONYMOUS|MAP_JIT)
 #else
-    auto out = mmap(0, size,  PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#define MMAP_FLAG (MAP_PRIVATE | MAP_ANONYMOUS)
 #endif
+
+void * ExecutableAllocator::allocate(std::size_t size)
+{
+    auto out = mmap(0, size,  PROT_READ | PROT_WRITE, MMAP_FLAG, -1, 0);
     if (out == nullptr)
     {
         throw std::bad_alloc{};
@@ -54,7 +55,6 @@ void * ExecutableAllocator::allocate(std::size_t size)
 
 void ExecutableAllocator::deallocate(void* raw_ptr, std::size_t size)
 {
-    // free(raw_ptr);
     munmap(raw_ptr, size);
 }