diff --git a/connect-rs/src/main.rs b/connect-rs/src/main.rs
index 7ac2fce..ec16f41 100755
--- a/connect-rs/src/main.rs
+++ b/connect-rs/src/main.rs
@@ -7,7 +7,7 @@
 //! rust_util = "0.6.50"
 //! ```
 
-use clap::{Parser, Subcommand};
+use clap::{Args, Parser, Subcommand};
 use rust_util::{failure, success, util_cmd};
 use std::process::Command;
 
@@ -23,7 +23,7 @@ struct ConnectArgs {
 enum Commands {
     /// Connect
     #[command(short_flag = 'c')]
-    Connect,
+    Connect(CmdConnect),
     /// Disconnect
     #[command(short_flag = 'd')]
     Disconnect,
@@ -32,34 +32,58 @@ enum Commands {
     Update,
 }
 
+#[derive(Debug, Args)]
+pub struct CmdConnect {
+    /// Update
+    #[arg(long)]
+    pub update: bool,
+}
+
+const NET_WORK_SETUP: &str = "networksetup";
+const WIFI: &str = "Wi-Fi";
+
 fn main() {
     let args = ConnectArgs::parse();
     match args.command {
-        Commands::Connect => {
+        Commands::Connect(cmd) => {
+            if cmd.update {
+                update_proxy();
+            }
+            turn_proxy_off();
             run_command(
-                "networksetup",
-                &["-setautoproxyurl", "Wi-Fi", "http://localhost:8888/pac"],
+                NET_WORK_SETUP,
+                &["-setautoproxyurl", WIFI, "http://localhost:8888/pac"],
                 "setautoproxyurl proxy",
             );
         }
         Commands::Disconnect => {
-            run_command(
-                "networksetup",
-                &["-setautoproxystate", "Wi-Fi", "off"],
-                "setautoproxystate off",
-            );
-            run_command(
-                "networksetup",
-                &["-setsocksfirewallproxystate", "Wi-Fi", "off"],
-                "setsocksfirewallproxystate off",
-            );
+            turn_proxy_off();
         }
         Commands::Update => {
-            // TODO ...
+            update_proxy();
         }
     }
 }
 
+fn update_proxy() {
+    // TODO ...
+    // check file exists and digest: __proxy__.pac
+    // &digest=1 // get digest
+}
+
+fn turn_proxy_off() {
+    run_command(
+        NET_WORK_SETUP,
+        &["-setautoproxystate", WIFI, "off"],
+        "setautoproxystate off",
+    );
+    run_command(
+        NET_WORK_SETUP,
+        &["-setsocksfirewallproxystate", WIFI, "off"],
+        "setsocksfirewallproxystate off",
+    );
+}
+
 fn run_command(program: &str, args: &[&str], message: &str) {
     let mut c2 = Command::new(program);
     c2.args(args);
@@ -77,5 +101,5 @@ fn run_command(program: &str, args: &[&str], message: &str) {
     }
 }
 
-// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20251013T225739+08:00.MEQCIDuRTM7sRjskoHHFG0BT
-// VJBdG8FJwZzLSBGVQV1du3s4AiA7FJSyMmtQsq3Wxb8pDYmie8zc1m+r6AuUWJBAn8Pf8A==
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20251013T231311+08:00.MEYCIQCuJnrPEuafEEzqTyyW
+// TkvJvXUUg9c2+OiVtcr1owBkEwIhALCq8vFJyJTb2ftplPN1Q3PzRZFNkfdWovo8DMiyaEc5
diff --git a/script-meta-v2.json b/script-meta-v2.json
index 8609f4c..f001db5 100644
--- a/script-meta-v2.json
+++ b/script-meta-v2.json
@@ -17,11 +17,11 @@
   },
   "connect.rs": {
     "script_name": "connect.rs",
-    "script_length": 2154,
-    "script_sha256": "c9dcb02c10b672bcf1e8462215e7d9d217aa27977aa26841b3ee5f102bfb125c",
+    "script_length": 2550,
+    "script_sha256": "24eb0ddbb67964cfc59ce192270d348ef0fdd646bd24f52eccefc83eb26f023b",
     "script_full_url": "https://git.hatter.ink/rust-scripts/scriptbase/raw/branch/main/connect-rs/src/main.rs",
     "publish_time": 1760367513436,
-    "update_time": 1760367513436
+    "update_time": 1760368415211
   },
   "current-time.rs": {
     "script_name": "current-time.rs",
diff --git a/script-meta.json b/script-meta.json
index 46761b3..771925f 100644
--- a/script-meta.json
+++ b/script-meta.json
@@ -11,8 +11,8 @@
   },
   "connect-rs": {
     "script_name": "connect-rs",
-    "script_length": 2154,
-    "script_sha256": "c9dcb02c10b672bcf1e8462215e7d9d217aa27977aa26841b3ee5f102bfb125c"
+    "script_length": 2550,
+    "script_sha256": "24eb0ddbb67964cfc59ce192270d348ef0fdd646bd24f52eccefc83eb26f023b"
   },
   "current-time-rs": {
     "script_name": "current-time-rs",