diff --git a/judger/plugins/gcc-13/Dockerfile b/judger/plugins/gcc-13/Dockerfile
index 67b6d723..b8740088 100644
--- a/judger/plugins/gcc-13/Dockerfile
+++ b/judger/plugins/gcc-13/Dockerfile
@@ -1,5 +1,6 @@
 FROM gcc:13
 WORKDIR /
 COPY compile.c .
+COPY execute.sh /
 RUN gcc compile.c -o compile
 RUN rm compile.c
\ No newline at end of file
diff --git a/judger/plugins/gcc-13/compile.c b/judger/plugins/gcc-13/compile.c
index df2e022e..8a2d46ee 100644
--- a/judger/plugins/gcc-13/compile.c
+++ b/judger/plugins/gcc-13/compile.c
@@ -5,9 +5,6 @@
 #include <spawn.h>
 #include <errno.h>
 #include <sys/wait.h>
-// #define CC "/usr/lib64/ccache/g++"
-// #define SRC "src.cpp"
-// #define OUT "src.out"
 #define CC "/usr/local/bin/g++"
 #define SRC "/src/src.cpp"
 #define OUT "/src/src.out"
diff --git a/judger/plugins/gcc-13/execute.sh b/judger/plugins/gcc-13/execute.sh
new file mode 100755
index 00000000..0fb7318a
--- /dev/null
+++ b/judger/plugins/gcc-13/execute.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+/src/src.out
\ No newline at end of file
diff --git a/judger/plugins/gcc-13/spec.toml b/judger/plugins/gcc-13/spec.toml
index a6602205..60cd5397 100644
--- a/judger/plugins/gcc-13/spec.toml
+++ b/judger/plugins/gcc-13/spec.toml
@@ -14,7 +14,7 @@ cpu_time = 10000000
 total_time = 10000000
 
 [judge]
-command = ["/src/src.out"]
+command = ["/execute.sh"]
 kernel_mem = 67108864
 multiplier_memory = 1 # user_mem
 rt_time = 1000000
diff --git a/readme.md b/readme.md
index 35ca1aeb..85b75e66 100644
--- a/readme.md
+++ b/readme.md
@@ -63,10 +63,10 @@ If you prefer to use default config, you can skip step 2 and 3.
 
 1. install following package:
 
-- From system package manager: `protobuf-devel`, `autoconf` ,`gettext`, `libtool`, `gcc`, `libcap-devel`, `systemd-devel`, `yajl-devel`, `libgcrypt-devel` ,`glibc-static`, `libseccomp-devel`, `python36`, `git`
+- From system package manager: `protobuf-devel`, `gcc`
 - From rustup: `rustup`, `cargo`, `just`
 - From their website: `docker`, `docker-compose`
 
 Then start reading documents in subfolder of your interest.
 
-> you may need to run ``just prepare`` again in each subfolder, follow the doucment in each subfolder.
+> you may need to run ``just prepare`` in ``judger``, ``backend`` subfolder.