diff --git a/.gitignore b/.gitignore
index c795b05..9acac60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-build
\ No newline at end of file
+build
+.nfs*
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 0cb4a6f..7283762 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,6 @@
 {
     "files.associations": {
+        "*.ejs": "html",
         "cstring": "cpp",
         "typeinfo": "cpp",
         "iostream": "cpp",
@@ -74,6 +75,7 @@
         "regex": "cpp",
         "scoped_allocator": "cpp",
         "shared_mutex": "cpp",
-        "valarray": "cpp"
+        "valarray": "cpp",
+        "strstream": "cpp"
     }
 }
\ No newline at end of file
diff --git a/build.sh b/build.sh
index 52be3c7..2d46fad 100755
--- a/build.sh
+++ b/build.sh
@@ -6,17 +6,15 @@ COMPILE_THREADS=16
 
 # build kissat
 
-cd kissat-inc
-./configure
-make -j $COMPILE_THREADS
-cd ..
+# cd kissat-inc
+# ./configure
+# make -j $COMPILE_THREADS
+# cd ..
 
 # build and copy light-solver
 
 make -C src-light-solver -j $COMPILE_THREADS
-cp src-light-solver/build/light-solver .
 
 # build and copy light-master
 
-make -C src-light-master -j $COMPILE_THREADS
-cp src-light-master/build/light-master .
\ No newline at end of file
+make -C src-light-master -j $COMPILE_THREADS
\ No newline at end of file
diff --git a/light-master b/light-master
deleted file mode 100755
index a14e7f4..0000000
Binary files a/light-master and /dev/null differ
diff --git a/light-master b/light-master
new file mode 120000
index 0000000..2263418
--- /dev/null
+++ b/light-master
@@ -0,0 +1 @@
+./src-light-master/build/light-master
\ No newline at end of file
diff --git a/light-solver b/light-solver
deleted file mode 100755
index 1eeeb77..0000000
Binary files a/light-solver and /dev/null differ
diff --git a/light-solver b/light-solver
new file mode 120000
index 0000000..f4bb3d2
--- /dev/null
+++ b/light-solver
@@ -0,0 +1 @@
+./src-light-solver/build/light-solver
\ No newline at end of file
diff --git a/makefile b/makefile
deleted file mode 100644
index b1a6896..0000000
--- a/makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-
-
-
-
-
-build-kissat:
-	cd kissat-inc
-	ls
-	sh ./configure
-	make
-
-
-all: build-kissat
-	make -C src-light-master
-	make -C src-light-solver
-	cp src-light-master/build/light-master .
-	cp src-light-solver/build/light-solver .
-
diff --git a/src-light-master/master.cpp b/src-light-master/master.cpp
index 8aa9e3e..93e5628 100644
--- a/src-light-master/master.cpp
+++ b/src-light-master/master.cpp
@@ -2,28 +2,9 @@
 
 #include "master.h"
 
-// struct {
-//     std::string ip_addr;
-//     std::vector<std::string> solver_ip_addrs;
-//     std::string instance;
-// }opt;
-
-// void parse_input(const nlohmann::json& config) {
-
-    
-    
-// }
-
-
-// void run_master(const nlohmann::json& config) {
-//     parse_input(config);
-
-
-
-
-// }
-
 int main() {
-    printf("This is master!\n");
+    printf("=====================================\n");
+
+
     return 0;
 }
\ No newline at end of file
diff --git a/src-light-solver/light.cpp b/src-light-solver/light.cpp
index 34f5a3b..4b8440d 100644
--- a/src-light-solver/light.cpp
+++ b/src-light-solver/light.cpp
@@ -4,6 +4,8 @@
 #include <thread>
 #include <iostream>
 
+#include "utils/cmdline.h"
+
 light::light():
   finalResult           (0),
   winner_period         (1e9),
@@ -19,7 +21,6 @@ light::~light() {
     workers.clear(true);
 }
 
-
 void light::configure_from_file(const char* file) {
     if (!strcmp(file, "")) {
         configure_name = new vec<char*>[OPT(threads)];
@@ -64,28 +65,43 @@ void light::configure_from_file(const char* file) {
 }
 
 void light::arg_parse(int argc, char **argv) {
-    for (int i = 1; i < argc; i++) {
-        char *arg = argv[i];
-        if (arg[0] != '-' || arg[1] != '-') {
-            filename = arg; continue;
-        }
-        int l = strlen(arg), pos = 0;
-        for (int i = 2; i < l; i++)
-            if (arg[i] == '=') pos = i;
-        if (!pos) continue;
-        char name[50];
-        strncpy(name, arg + 2, pos - 2);
-        name[pos - 2] = '\0';
-        char* val = arg + pos + 1;
-        if (opt->map_int.count(name)) opt->set_para(name, atoi(val));
-        else if (opt->map_double.count(name)) opt->set_para(name, atof(val));
-        else opt->set_para(name, val);
-    }
-    opt->sync_paras();
-    printf("%s\n", OPT(config).c_str());
+    cmdline::parser parser;
+
+    // define argument list
+    parser.add<std::string>("inst", 'i', "CNF format instance", true, "");
+
+    #define PARA(N, T, D, L, H, C) \
+    if (!strcmp(#T, "int")) parser.add<int>(#N, '\0', C, false, D, cmdline::range((int)L, (int)H)); \
+    else parser.add<double>(#N, '\0', C, false, D, cmdline::range((double)L, (double)H));
+    PARAS
+    #undef PARA
+
+    parser.parse_check(argc, argv);
+
+    // set cnf filename
+    std::string file_string = parser.get<std::string>("inst");
+    filename = new char[file_string.size() + 1];
+    memcpy(filename, file_string.c_str(), file_string.length());
+    filename[file_string.length()] = '\0';
+
+    #define PARA(N, T, D, L, H, C) \
+    if (!strcmp(#T, "int")) OPT(N) = parser.get<int>(#N); \
+    else OPT(N) = parser.get<double>(#N);
+    PARAS
+    #undef PARA
+
+    // print arguments
+    printf("------------ arguments ------------\n");
+
+    printf("%-20s: %s\n", "inst", filename);
+
+    #define PARA(N, T, D, L, H, C) \
+    if (!strcmp(#T, "int")) printf("%-20s: %-10d\n", #N, OPT(N)); \
+    else printf("%-20s: %-10.2f\n", #N, OPT(N));
+    PARAS
+    #undef PARA
+
+    printf("-----------------------------------\n");
+
     configure_from_file(OPT(config).c_str());
-    printf("444\n");
-    opt->sync_paras();
-    opt->print_change();
-    printf("c filename: %s\n", filename);
 }
\ No newline at end of file
diff --git a/src-light-solver/main.cpp b/src-light-solver/main.cpp
index a5457d3..924ad32 100644
--- a/src-light-solver/main.cpp
+++ b/src-light-solver/main.cpp
@@ -7,14 +7,6 @@
 #include "utils/cmdline.h"
 
 int main(int argc, char **argv) {
-
-    cmdline::parser a;
-
-    a.add<std::string>("inst", 'i', "CNF format instance", true, "");
-
-    a.parse_check(argc, argv);
-
     solve(argc, argv);
-    
     return 0;
 }
\ No newline at end of file
diff --git a/src-light-solver/makefile b/src-light-solver/makefile
index f3daf3a..0223723 100644
--- a/src-light-solver/makefile
+++ b/src-light-solver/makefile
@@ -6,7 +6,7 @@ OBJECTS := $(addprefix build/,$(SOURCES:%=%.o))
 
 # 声明编译器和编译选项
 CXX := g++
-CXXFLAGS := -O3 -Wall -Wextra -MMD -MP -flto
+CXXFLAGS := -O0 -Wall -Wextra -MMD -MP -g
 
 LIBS := -lkissat -L../kissat-inc/build -I ../kissat-inc/ \
 	   -lm4ri -Lpreprocess/m4ri-20140914/.libs -I preprocess/m4ri-20140914/ \
diff --git a/src-light-solver/solve.cpp b/src-light-solver/solve.cpp
index 7e62038..946a139 100644
--- a/src-light-solver/solve.cpp
+++ b/src-light-solver/solve.cpp
@@ -176,14 +176,17 @@ int light::solve() {
 }
 
 int light::run() {
+
     init_workers();
     diversity_workers();
+
     if (OPT(simplify)) {
         pre = new preprocess();
         int res = pre->do_preprocess(filename);
         if (!res) return 20;
     }
     else worker_sign = filename;
+
     parse_input();
     if (OPT(share)) share();
     int res = solve();