diff --git a/Cargo.lock b/Cargo.lock
index c60f4f9..ef850ce 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2859,7 +2859,7 @@ dependencies = [
 
 [[package]]
 name = "zellij-datetime"
-version = "0.17.1"
+version = "0.18.0"
 dependencies = [
  "ansi_term",
  "chrono-wasi",
@@ -2871,9 +2871,9 @@ dependencies = [
 
 [[package]]
 name = "zellij-tile"
-version = "0.38.0"
+version = "0.38.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "077ea8d82d4d6f9dc24b672999004c32a72a5350d50f0f37397594f3d168bca1"
+checksum = "68b51700a828e8a2bf2eb82d62b260932576fa1882494c2af8395f5f4794a15f"
 dependencies = [
  "clap",
  "serde",
@@ -2885,18 +2885,18 @@ dependencies = [
 
 [[package]]
 name = "zellij-tile-utils"
-version = "0.38.0"
+version = "0.38.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe4262cd639250b356f809ae295ba73d5aaaec1e31d392d056d106fc3c64c3ae"
+checksum = "de124f0c269a7d4433a60e6d5cface9b4684d5be819b6ea7dacdbedb6e636693"
 dependencies = [
  "ansi_term",
 ]
 
 [[package]]
 name = "zellij-utils"
-version = "0.38.0"
+version = "0.38.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46d5d4651c2f87e59795582339eb5acaebe164cb5ec984a5702e1577657b5142"
+checksum = "60c68881b9892c36e90031e7deb36a4fc8e11f6f95c468e19e900f54b6ed94de"
 dependencies = [
  "anyhow",
  "async-channel",
diff --git a/Cargo.toml b/Cargo.toml
index dd4517b..d9b39b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
 name = "zellij-datetime"
-version = "0.17.1"
+version = "0.18.0"
 authors = ["h1romas4 <h1romas4@gmail.com>"]
 edition = "2021"
 
 [dependencies]
-zellij-tile = "0.38.0"
-zellij-tile-utils = "0.38.0"
+zellij-tile = "0.38.1"
+zellij-tile-utils = "0.38.1"
 ansi_term = "^0.12"
 chrono-wasi = "^0.4"
 linked-hash-map = "^0.5"
diff --git a/plugin.kdl b/plugin.kdl
index e4cf2d5..5a75d5f 100644
--- a/plugin.kdl
+++ b/plugin.kdl
@@ -1,20 +1,35 @@
 layout {
     pane size=1 borderless=true {
         plugin location="file:./target/wasm32-wasi/debug/zellij-datetime.wasm" {
+            // Testing multiple timezone settings
             timezone1 "PDT/-9"
             timezone2 "UTC/0"
             timezone3 "CEST/+2"
             timezone4 "JST/+9"
+            // Testing that it will be in the specified timezone instead of timezone1
             default_timezone "JST"
+            // Testing the Color Parser
             background_color "#0080a0"
             foreground_color "#ffffff"
             pane_color "#1e1e1e"
+            // Testing Plug-in Permissions
+            // To be tested at the first interactive query and at the automatic configuration cache.
             enable_right_click true
+            // Debugging options (not yet used)
+            enable_debug true
         }
     }
+    // Testing the Default Option
     pane size=1 borderless=true {
         plugin location="file:./target/wasm32-wasi/debug/zellij-datetime.wasm"
     }
+    pane size=1 borderless=true {
+        plugin location="file:./target/wasm32-wasi/debug/zellij-datetime.wasm" {
+            // Testing that the optional keys are sorted
+            timezone4 "JST/+9"
+            timezone3 "CEST/+2"
+        }
+    }
     pane size=1 borderless=true {
         plugin location="zellij:tab-bar"
     }
diff --git a/src/config.rs b/src/config.rs
index a9c58ce..3dc5281 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -11,10 +11,11 @@ static DEFAULT_PANE_COLOR: &str = "#1e1e1e";
 pub struct Config {
     timezone: LinkedHashMap<String, i32>,
     default_timezone: String,
-    backgound_color: Option<(u8, u8, u8)>,
-    foreground_color: Option<(u8, u8, u8)>,
-    pane_color: Option<(u8, u8, u8)>,
+    backgound_color: (u8, u8, u8),
+    foreground_color: (u8, u8, u8),
+    pane_color: (u8, u8, u8),
     enable_right_click: bool,
+    enable_debug: bool,
 }
 
 impl Default for Config {
@@ -25,10 +26,11 @@ impl Default for Config {
         Config {
             timezone,
             default_timezone: default_timezone.to_string(),
-            backgound_color: Some(parse_color(DEFAULT_BACKGROUND_COLOR).unwrap()),
-            foreground_color: Some(parse_color(DEFAULT_FOREGROUND_COLOR).unwrap()),
-            pane_color: Some(parse_color(DEFAULT_PANE_COLOR).unwrap()),
+            backgound_color: parse_color(DEFAULT_BACKGROUND_COLOR).unwrap(),
+            foreground_color: parse_color(DEFAULT_FOREGROUND_COLOR).unwrap(),
+            pane_color: parse_color(DEFAULT_PANE_COLOR).unwrap(),
             enable_right_click: false,
+            enable_debug: false,
         }
     }
 }
@@ -75,15 +77,15 @@ impl Config {
         }
     }
 
-    pub fn get_backgound_color(&self) -> Option<(u8, u8, u8)> {
+    pub fn get_backgound_color(&self) -> (u8, u8, u8) {
         self.backgound_color
     }
 
-    pub fn get_foreground_color(&self) -> Option<(u8, u8, u8)> {
+    pub fn get_foreground_color(&self) -> (u8, u8, u8) {
         self.foreground_color
     }
 
-    pub fn get_pane_color(&self) -> Option<(u8, u8, u8)> {
+    pub fn get_pane_color(&self) -> (u8, u8, u8) {
         self.pane_color
     }
 
@@ -91,12 +93,18 @@ impl Config {
         self.enable_right_click
     }
 
+    #[allow(unused)]
+    pub fn get_enable_debug(&self) -> bool {
+        self.enable_debug
+    }
+
     pub fn configuration(&mut self, configuration: &BTreeMap<String, String>) {
         let mut timezone: LinkedHashMap<String, i32> = LinkedHashMap::new();
         let mut default_timezone: Option<String> = None;
 
         for (key, value) in configuration {
             match key.as_str() {
+                // Option key BTreeMap is sorted
                 "timezone1" | "timezone2" | "timezone3" | "timezone4" | "timezone5"
                 | "timezone6" | "timezone7" | "timezone8" | "timezone9" => {
                     let value: Vec<&str> = value.split('/').collect();
@@ -111,22 +119,25 @@ impl Config {
                 }
                 "background_color" => {
                     if let Ok(color) = parse_color(value) {
-                        self.backgound_color = Some((color.0, color.1, color.2));
+                        self.backgound_color = (color.0, color.1, color.2);
                     }
                 }
                 "foreground_color" => {
                     if let Ok(color) = parse_color(value) {
-                        self.foreground_color = Some((color.0, color.1, color.2));
+                        self.foreground_color = (color.0, color.1, color.2);
                     }
                 }
                 "pane_color" => {
                     if let Ok(color) = parse_color(value) {
-                        self.pane_color = Some((color.0, color.1, color.2));
+                        self.pane_color = (color.0, color.1, color.2);
                     }
                 }
                 "enable_right_click" => {
                     self.enable_right_click = value.trim().parse().unwrap_or(false);
                 }
+                "enable_debug" => {
+                    self.enable_debug = value.trim().parse().unwrap_or(false);
+                }
                 _ => {}
             }
         }
diff --git a/src/line.rs b/src/line.rs
index ad96b69..042b6ad 100644
--- a/src/line.rs
+++ b/src/line.rs
@@ -16,20 +16,14 @@ pub struct Line {
 impl Line {
     pub fn update_style(
         &mut self,
-        backgound_color: Option<(u8, u8, u8)>,
-        foreground_color: Option<(u8, u8, u8)>,
-        pane_color: Option<(u8, u8, u8)>,
+        backgound_color: (u8, u8, u8),
+        foreground_color: (u8, u8, u8),
+        pane_color: (u8, u8, u8),
     ) {
         // set color
-        if let Some(bg_color) = backgound_color {
-            self.backgound_color = PaletteColor::Rgb(bg_color);
-        }
-        if let Some(fg_color) = foreground_color {
-            self.foreground_color = PaletteColor::Rgb(fg_color);
-        }
-        if let Some(pane_color) = pane_color {
-            self.pane_color = PaletteColor::Rgb(pane_color);
-        }
+        self.backgound_color = PaletteColor::Rgb(backgound_color);
+        self.foreground_color = PaletteColor::Rgb(foreground_color);
+        self.pane_color = PaletteColor::Rgb(pane_color);
         // create charctor
         let bg_1 = self.pane_color;
         let bg_2 = self.backgound_color;
diff --git a/src/main.rs b/src/main.rs
index 70ef9b9..3ddd267 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,30 +25,33 @@ register_plugin!(State);
 
 impl ZellijPlugin for State {
     fn load(&mut self, configuration: BTreeMap<String, String>) {
-        // setting from plugin config in layout
         self.config.configuration(&configuration);
-        // reset default timezone
         self.reset_default_timezone();
-        // create line sytle
         self.line.update_style(
             self.config.get_backgound_color(),
             self.config.get_foreground_color(),
             self.config.get_pane_color(),
         );
-        // for making minute comparisons
+
+        // Determine the elapse of one minute
         self.before_minute = u32::MAX;
-        // zellij plunin setting
+
         subscribe(&[
             EventType::PermissionRequestResult,
             EventType::Timer,
             EventType::Visible,
             EventType::Mouse,
         ]);
-        // request permission
+
         self.permission_granted = false;
+        let mut permission = vec![];
         if self.config.get_enable_right_click() {
-            request_permission(&[PermissionType::WriteToStdin]);
+            permission.push(PermissionType::WriteToStdin);
+        }
+        if !permission.is_empty() {
+            request_permission(&permission);
         } else {
+            // Unselectable if no permission query
             set_selectable(false);
         }
     }