diff --git a/flake.nix b/flake.nix
index e12ccf8..279899c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,10 +10,9 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs { inherit system; };
-        overrides = builtins.fromTOML (builtins.readFile ./rust-toolchain.toml);
         libPath = pkgs.lib.makeLibraryPath [
           # load external libraries that you need in your rust project here
-          "./sysy-data/"
+          "."
         ];
       in {
         devShell = pkgs.mkShell {
@@ -34,8 +33,6 @@
 
           LD_LIBRARY_PATH = libPath;
 
-          RUSTC_VERSION = overrides.toolchain.channel;
-
           shellHook = ''
             export PATH=$PATH:''${CARGO_HOME:-~/.cargo}/bin
             export PATH=$PATH:''${RUSTUP_HOME:-~/.rustup}/toolchains/$RUSTC_VERSION-x86_64-unknown-linux-gnu/bin/
diff --git a/zci.toml b/zci.toml
new file mode 100644
index 0000000..8f66bc1
--- /dev/null
+++ b/zci.toml
@@ -0,0 +1,56 @@
+data_dir = "."
+cases = ["functional_c"]
+server = "http://10.249.12.73/zci"
+executer = "simulate_1"
+
+[test]
+task_name = "test"
+task_path = "./data_cli/task1"
+cases = ["performance_c"]
+server_ip = "10.249.12.73"
+server_port = 8080
+tag = "starfive"
+[test.config]
+cache = false
+execute_cmd = "{bin}"
+total_timeout = 10000
+case_timeout = 1000
+per_timeout = 100
+intermediary_break = false
+# [test.config.envs]
+# LD_LIBRARY_PATH = "$LD_LIBRARY_PATH:data/lib"
+
+[status]
+server_ip = "10.249.12.73"
+server_port = 8080
+
+[compile]
+cache = false
+# compiler = "clang"
+compiler = "/home/wangfiox/Documents/compiler/target/debug/compiler-cs"
+# compile_cmd = "{compiler} -S {sy} -l {asm} -o /dev/null"
+compile_cmd = "{compiler} -S {sy} -o {asm}"
+
+[asm2bin]
+cache = false
+asm2bin_cmd = "riscv64-unknown-linux-gnu-gcc {asm} -Llib -lsysy -march=rv64gc -o {bin}"
+
+[execute]
+cache = false
+execute_cmd = "qemu-riscv64 {bin}"
+per_timeout = 20
+intermediary_break = false
+
+
+[expect]
+cache = false
+compile_cmd = "riscv64-unknown-linux-gnu-gcc -x c {sy} -S -o {asm} -march=rv64gc"
+asm2bin_cmd = "riscv64-unknown-linux-gnu-gcc {asm} -Lsysy-data/lib -lsysy -march=rv64gc -o {bin}"
+execute_cmd = "qemu-riscv64 {bin}"
+
+[clean]
+dirs = ["asm", "bin", "diff", "output", "log"] # "expect",
+
+[diff]
+cache = true
+diff_cmd = "diff {out1} {out2}"