diff --git a/src/i_scripts.js b/src/i_scripts.js
index feb8deb..d28a4bd 100644
--- a/src/i_scripts.js
+++ b/src/i_scripts.js
@@ -165,6 +165,17 @@ onrd.push(function(){
         inputHandler.init_messageReceiver();
 }); 
 
+onrd.push(function(){ 
+    if (window.run_env != 'http_web') {
+        setTimeout(async function() {
+            var setting_autoSelectInputText = await get_addon_setting_local('autoSelectInputText') ;
+        
+            if (setting_autoSelectInputText !== false)
+                inputHandler.getInputFieldEle().select(); 
+        }, 50);
+    } 
+}); 
+
 
 
 onrd.push(function(){
diff --git a/src/js/inputHandler.js b/src/js/inputHandler.js
index ba85afa..948fa7f 100644
--- a/src/js/inputHandler.js
+++ b/src/js/inputHandler.js
@@ -66,6 +66,14 @@ function init_inputHandler() {
                     if (request['command'] == "setInputBoxToText" && typeof(request['text']) === "string" )
                         inputHandler.init_mode( request['text'] );
                 }
+                
+                setTimeout(async function() {
+                    var setting_autoSelectInputText = await get_addon_setting_local('autoSelectInputText') ;
+                    
+                    if (setting_autoSelectInputText !== false)
+                        inputHandler.getInputFieldEle().select(); 
+                }, 50);
+
             });
         };
         
diff --git a/src/manifest-chrome.json b/src/manifest-chrome.json
index 68488cf..0c92bbd 100644
--- a/src/manifest-chrome.json
+++ b/src/manifest-chrome.json
@@ -3,7 +3,7 @@
     "description": "__MSG_extensionDescription__",
     "default_locale": "en",
     "manifest_version": 2,
-    "version": "3.2.9",
+    "version": "3.2.16",
     "homepage_url": "https://github.com/garywill/BigSearch",
     "author": {
         "name": "Garywill",
diff --git a/src/manifest.json b/src/manifest.json
index 079c400..d4abf8c 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -3,7 +3,7 @@
     "description": "__MSG_extensionDescription__",
     "default_locale": "en",
     "manifest_version": 2,
-    "version": "3.2.9",
+    "version": "3.2.16",
     "homepage_url": "https://garywill.github.io",
     "developer": {
         "name": "Garywill",
diff --git a/src/options.html b/src/options.html
index 3897e51..0076feb 100644
--- a/src/options.html
+++ b/src/options.html
@@ -63,10 +63,19 @@ <h3 style="margin-bottom: 30px">
                     </li>
                 </ul>
         </div>
-        <input type="checkbox" id="cbox_copyOnContextMenuOrKey">When context menu clicked (or keyword shortcut used), put selection text to clipboard also <span style="text-decoration: underline;">(need restart/reenable)</span></input>
+        <input type="checkbox" id="cbox_copyOnContextMenuOrKey">When context menu clicked (or keyboard shortcut used), put selection text to clipboard also <span style="text-decoration: underline;">(need restart/reenable)</span></input>
         <br><br>
         <hr>
         
+        
+        <div>
+            <input type="checkbox" id="cbox_autoSelectInputText" checked="true">Auto select text in inputbox when UI open</input>   
+        </div>
+        <br>
+        <hr>
+        
+        
+        
         <div  id="div_shownew">
         <br>
             <input type="checkbox" id="cbox_shownew" >Show when new version available, at corner of addon page  (need restart/reenable)</input>
diff --git a/src/options.js b/src/options.js
index 52990dc..52a6e57 100755
--- a/src/options.js
+++ b/src/options.js
@@ -71,7 +71,17 @@ async function on_optionpage_load() {
                 chrome.permissions.request( { permissions: ['clipboardWrite'] } , r=>console.log(r) );
         });
     } ) () ;
-    
+    // --------------------------
+    (async () => {
+        var setting_autoSelectInputText = await get_addon_setting_local('autoSelectInputText') ;
+        
+        if (setting_autoSelectInputText !== false)
+            document.getElementById("cbox_autoSelectInputText").checked = true;
+        
+        document.getElementById("cbox_autoSelectInputText").addEventListener("change", function (event) {
+            chrome.storage.local.set({"autoSelectInputText" : event.target.checked});
+        });
+    } ) () ;
     // --------------------------