refactor: update.

xmake.lua

@@ -3,7 +3,6 @@ add_rules('mode.debug', 'mode.release')
 add_requires('argparse      3.1')
 add_requires('nlohmann_json 3.11.3')
 add_requires('xxhash        0.8.3')
-add_requires('boost         1.87.0')
 
 add_requires('llvm')
 
@@ -30,13 +29,13 @@ end
 
 --- global settings
 
+set_policy("build.optimization.lto", true)
+
 set_languages('c23', 'c++23')
 set_warnings('all')
 
 add_includedirs('src')
 
-set_policy("build.optimization.lto", true)
-
 if is_mode('debug') then 
     add_defines('DI_DEBUG')
 end
@@ -100,6 +99,7 @@ target('extractsym')
 
     add_packages(
         'llvm',
+        'nlohmann_json',
         'argparse'
     )