diff --git a/okrmng/.gitignore b/okrmng/.gitignore
new file mode 100644
index 0000000..9f97022
--- /dev/null
+++ b/okrmng/.gitignore
@@ -0,0 +1 @@
+target/
\ No newline at end of file
diff --git a/okrmng/Cargo.lock b/okrmng/Cargo.lock
new file mode 100644
index 0000000..1010f4f
--- /dev/null
+++ b/okrmng/Cargo.lock
@@ -0,0 +1,301 @@
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diff --git a/okrmng/Cargo.toml b/okrmng/Cargo.toml
new file mode 100644
index 0000000..b4973a1
--- /dev/null
+++ b/okrmng/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "okrmng"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+anyhow = "1.0.100"
+clap = { version = "4.5.51", features = ["derive"] }
+serde = { version = "1.0.228", features = ["derive"] }
+toml = "0.9.8"
diff --git a/okrmng/src/cli.rs b/okrmng/src/cli.rs
new file mode 100644
index 0000000..2a4b040
--- /dev/null
+++ b/okrmng/src/cli.rs
@@ -0,0 +1,93 @@
+use std::fs;
+
+use anyhow::{Context, Result};
+use clap::{Parser, Subcommand};
+
+use crate::{config, defs::CONFIG_PATH};
+
+#[derive(Parser)]
+#[command(author, version = "0.1", about, long_about = None)]
+struct Args {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand)]
+enum SystemApp {
+    Add {
+        #[arg(long, short)]
+        package: String,
+    },
+    Rm {
+        #[arg(long, short)]
+        package: String,
+    },
+}
+
+#[derive(Subcommand)]
+enum PrivApp {
+    Add {
+        #[arg(long, short)]
+        package: String,
+    },
+    Rm {
+        #[arg(long, short)]
+        package: String,
+    },
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    SystemApp {
+        #[command(subcommand)]
+        command: SystemApp,
+    },
+    PrivApp {
+        #[command(subcommand)]
+        command: PrivApp,
+    },
+}
+
+pub fn run() -> Result<()> {
+    let args = Args::parse();
+    let mut config = config::Config::new()?;
+
+    match args.command {
+        Commands::PrivApp { command } => {
+            println!("setting priv-app");
+
+            match command {
+                PrivApp::Add { package } => {
+                    config.app.priv_app.insert(package);
+                    println!("added new package");
+                }
+                PrivApp::Rm { package } => {
+                    config.app.priv_app.remove(&package);
+                    println!("removed package");
+                }
+            }
+        }
+        Commands::SystemApp { command } => {
+            println!("setting system-app");
+            
+            
+            match command {
+                SystemApp::Add { package } => {
+                    config.app.system_app.insert(package);
+                    println!("added new package");
+                }
+                SystemApp::Rm { package } => {
+                    config.app.system_app.remove(&package);
+                    println!("removed package");
+                }
+            }
+        }
+    }
+
+    fs::write(
+        CONFIG_PATH,
+        toml::to_string(&config).context("Failed to change config")?,
+    )?;
+
+    Ok(())
+}
diff --git a/okrmng/src/config.rs b/okrmng/src/config.rs
new file mode 100644
index 0000000..58b73a4
--- /dev/null
+++ b/okrmng/src/config.rs
@@ -0,0 +1,29 @@
+use std::{collections::HashSet, fs, path::Path};
+
+use anyhow::Result;
+use serde::{Deserialize, Serialize};
+
+use crate::defs::CONFIG_PATH;
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Config {
+    pub app: App,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct App {
+    pub system_app: HashSet<String>,
+    pub priv_app: HashSet<String>,
+}
+
+impl Config {
+    pub fn new() -> Result<Self> {
+        let config = Path::new(CONFIG_PATH);
+        if !config.exists() {
+            panic!("config file is no exists!!");
+        }
+        let buf = fs::read_to_string(config)?;
+        let toml: Self = toml::from_str(buf.as_str())?;
+        Ok(Self { app: toml.app })
+    }
+}
diff --git a/okrmng/src/defs.rs b/okrmng/src/defs.rs
new file mode 100644
index 0000000..d076a52
--- /dev/null
+++ b/okrmng/src/defs.rs
@@ -0,0 +1 @@
+pub const CONFIG_PATH: &str = "/data/adb/modules/oukaro_manager/config.toml";
diff --git a/okrmng/src/main.rs b/okrmng/src/main.rs
new file mode 100644
index 0000000..d3e008c
--- /dev/null
+++ b/okrmng/src/main.rs
@@ -0,0 +1,7 @@
+mod cli;
+mod defs;
+mod config;
+
+fn main() {
+    cli::run();
+}