diff --git a/Inc/Config.hpp b/Inc/Config.hpp
index c2a737c..3e39c11 100644
--- a/Inc/Config.hpp
+++ b/Inc/Config.hpp
@@ -1,7 +1,7 @@
 #ifndef __CONFIG_HPP__
 #define __CONFIG_HPP__
 
-#define ADDR_ALIGNMENT_SIZE 4 // 地址对齐方式
+#define DEFAULT_ADDR_ALIGNMENT_SIZE 4 // 默认地址对齐长度
 
 #define VARIABLE_NAME_STR_LENGTH_MAX 100 // 名称字符串最大长度
 
diff --git a/Inc/Global_Variables.hpp b/Inc/Global_Variables.hpp
index 200b5d1..fd7f029 100644
--- a/Inc/Global_Variables.hpp
+++ b/Inc/Global_Variables.hpp
@@ -7,6 +7,9 @@ extern "C"
 #include "stdio.h"
 }
 
+// 地址对齐长度
+extern size_t addr_alignment_size;
+
 // 类型列表
 extern type_node *type_list_head;
 
diff --git a/Src/Core_Functions.cpp b/Src/Core_Functions.cpp
index 782b0a6..9466493 100644
--- a/Src/Core_Functions.cpp
+++ b/Src/Core_Functions.cpp
@@ -25,6 +25,28 @@ void solve_args(int argc, char *argv[])
         if (argv[count][0] == '-')
         {
 
+            // -a 字节对齐长度设置
+            if (!strcmp(argv[count], "-a"))
+            {
+                // 错误输入处理
+                if (count + 1 == argc)
+                    break;
+                if (argv[count + 1][0] == '-')
+                    continue;
+
+                size_t value = 0;
+                sscanf(argv[count + 1], "%u", &value);
+                if ((value % 2 == 0 && value != 0) || value == 1)
+                {
+                    log_printf(LOG_SUCCESS, "Alignment size set to %u.", value);
+                    addr_alignment_size = value;
+                }
+                else
+                    log_printf(LOG_FAILURE, "Illegal alignment arg \"%s\", set to default %u.", argv[count + 1], addr_alignment_size);
+                count++;
+                continue;
+            }
+
             // -r 参考A2L输入
             if (!strcmp(argv[count], "-r"))
             {
@@ -175,6 +197,7 @@ void solve_args(int argc, char *argv[])
     {
         printf("\n");
         log_printf(LOG_INFO, "Workflow details:");
+        printf("                              ├─Alignment size: %u\n", addr_alignment_size);
         printf("                              ├─Source or header files:\n");
 
         // 遍历文件链表
diff --git a/Src/Global_Variables.cpp b/Src/Global_Variables.cpp
index 1168351..613d0ac 100644
--- a/Src/Global_Variables.cpp
+++ b/Src/Global_Variables.cpp
@@ -5,6 +5,9 @@ extern "C"
 #include "stdio.h"
 }
 
+// 地址对齐长度
+size_t addr_alignment_size = DEFAULT_ADDR_ALIGNMENT_SIZE;
+
 // 类型列表
 type_node *type_list_head = nullptr;
 
diff --git a/Src/Main.cpp b/Src/Main.cpp
index a4b8779..3bed898 100644
--- a/Src/Main.cpp
+++ b/Src/Main.cpp
@@ -14,7 +14,7 @@ extern "C"
 int main(int argc, char *argv[])
 {
     printf("\n\n");
-    log_printf(LOG_SYS_INFO, "SrcToA2L Ver1.2");
+    log_printf(LOG_SYS_INFO, "SrcToA2L Ver1.3");
     log_printf(LOG_SYS_INFO, "Auther: LuChiChick");
     log_printf(LOG_SYS_INFO, "%s\n%s\n%s\n\n", "Open source links:",
                "                              ├─Github:              https://git.luchichick.cn/LuChiChick/SrcToA2L",
diff --git a/Src/Tool_Functions.cpp b/Src/Tool_Functions.cpp
index 5f5a559..3e33585 100644
--- a/Src/Tool_Functions.cpp
+++ b/Src/Tool_Functions.cpp
@@ -664,12 +664,12 @@ void f_print_calibration(FILE *file, variable_info v_info)
             for (size_t sub_count = 0; sub_count < sub_element_count; sub_count++)
             {
                 // 计算出现的最大对齐
-                if (alignment_max < (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE))
-                    alignment_max = (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE);
+                if (alignment_max < (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size))
+                    alignment_max = (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size);
 
                 // 地址对齐
-                if (addr_offset % (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE) != 0)
-                    addr_offset += (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE) - (addr_offset % (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE));
+                if (addr_offset % (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size) != 0)
+                    addr_offset += (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size) - (addr_offset % (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size));
 
                 // 拼接输出名称
                 if (v_info.type == STRUCTURE)
@@ -721,8 +721,8 @@ void f_print_calibration(FILE *file, variable_info v_info)
 
         // 补齐结构体末尾的空余字节偏移
         if (v_info.type == STRUCTURE)
-            if (addr_offset % (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE) != 0)
-                addr_offset += (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE) - (addr_offset % (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE));
+            if (addr_offset % (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size) != 0)
+                addr_offset += (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size) - (addr_offset % (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size));
     }
 
     // 输出日志
@@ -849,12 +849,12 @@ void f_print_measurement(FILE *file, variable_info v_info)
             for (size_t sub_count = 0; sub_count < sub_element_count; sub_count++)
             {
                 // 计算出现的最大对齐
-                if (alignment_max < (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE))
-                    alignment_max = (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE);
+                if (alignment_max < (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size))
+                    alignment_max = (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size);
 
                 // 地址对齐
-                if (addr_offset % (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE) != 0)
-                    addr_offset += (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE) - (addr_offset % (type_size[out_type] < ADDR_ALIGNMENT_SIZE ? type_size[out_type] : ADDR_ALIGNMENT_SIZE));
+                if (addr_offset % (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size) != 0)
+                    addr_offset += (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size) - (addr_offset % (type_size[out_type] < addr_alignment_size ? type_size[out_type] : addr_alignment_size));
 
                 // 拼接输出名称
                 if (v_info.type == STRUCTURE)
@@ -906,8 +906,8 @@ void f_print_measurement(FILE *file, variable_info v_info)
 
         // 补齐结构体末尾的空余字节偏移
         if (v_info.type == STRUCTURE)
-            if (addr_offset % (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE) != 0)
-                addr_offset += (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE) - (addr_offset % (alignment_max < ADDR_ALIGNMENT_SIZE ? alignment_max : ADDR_ALIGNMENT_SIZE));
+            if (addr_offset % (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size) != 0)
+                addr_offset += (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size) - (addr_offset % (alignment_max < addr_alignment_size ? alignment_max : addr_alignment_size));
     }
 
     // 输出日志