diff --git a/App/config_third_party_theme.js b/App/config_third_party_theme.js
index fc0e898..813be18 100644
--- a/App/config_third_party_theme.js
+++ b/App/config_third_party_theme.js
@@ -15,7 +15,7 @@ function config_third_party_theme() {
     }
 
     document.getElementById("config_thirdparty_theme_content").innerHTML += `
-      <button class="btn btn-outline-primary" onclick="save_config_of_third_party_theme()"><i class="fa fa-download"></i> ${langdata.SAVE_CONFIGURATION[lang_name]}</button>
+      <button class="btn btn-outline-success" onclick="save_config_of_third_party_theme()"><i class="fa fa-download"></i> ${langdata.SAVE_CONFIGURATION[lang_name]}</button>
       <br /><br />
     `;
 
diff --git a/App/create_confirm_dialog.js b/App/create_confirm_dialog.js
index 6514d6e..dcd318a 100644
--- a/App/create_confirm_dialog.js
+++ b/App/create_confirm_dialog.js
@@ -14,7 +14,7 @@ module.exports=function(dialog_content,js_to_reload,do_what_if_sure){
       </div>
       <div class="modal-footer">
         <button type="button" class="btn btn-outline-primary" data-bs-dismiss="modal"><i class="fa fa-ban"></i> ${langdata["CANCEL"][lang_name]}</button>
-        <button type="button" class="btn btn-outline-primary" data-bs-dismiss="modal" id="${dialog_id}_sure"><i class="fa fa-check"></i> ${langdata["OK"][lang_name]}</button>
+        <button type="button" class="btn btn-outline-success" data-bs-dismiss="modal" id="${dialog_id}_sure"><i class="fa fa-check"></i> ${langdata["OK"][lang_name]}</button>
       </div>
     </div>
   </div>
diff --git a/App/edit_friend_book.js b/App/edit_friend_book.js
index e9d0510..502ba1c 100644
--- a/App/edit_friend_book.js
+++ b/App/edit_friend_book.js
@@ -92,8 +92,8 @@ ${blog["友人帐页面附加信息"]}
 </div>
     </div>
     <div class="modal-footer" id="edit_friend_book_dialog_footer">
-    <button class="btn btn-outline-primary" onclick="save_friend_book();" data-bs-dismiss="modal"><i class="fa fa-check"></i> ${langdata.SAVE_CONFIGURATION[lang_name]}</button>
-    <button class="btn btn-outline-primary" onclick="window.location.reload();" data-bs-dismiss="modal"><i class="fa fa-ban"></i> ${langdata.CANCEL_THIS_TIME_CONFIGURATION[lang_name]}</button>
+    <button class="btn btn-outline-danger" onclick="window.location.reload();" data-bs-dismiss="modal"><i class="fa fa-ban"></i> ${langdata.CANCEL_THIS_TIME_CONFIGURATION[lang_name]}</button>
+    <button class="btn btn-outline-success" onclick="save_friend_book();" data-bs-dismiss="modal"><i class="fa fa-check"></i> ${langdata.SAVE_CONFIGURATION[lang_name]}</button>
   </div>
     `;
     
diff --git a/App/server.js b/App/server.js
index 6c51506..66d2a03 100644
--- a/App/server.js
+++ b/App/server.js
@@ -24,7 +24,7 @@ storage.get("language", (error, data) => {
     <p>${langdata.PREVIEW_SITE_CONTENT[0][lang_name]}</p>
     <p>${langdata.PREVIEW_SITE_CONTENT[1][lang_name]}<a class="btn btn-sm btn-link" onclick="shell.openExternal('http://localhost:41701')">http://localhost:41701</a>${langdata.PREVIEW_SITE_CONTENT[2][lang_name]}</p>
     
-    <button class="btn btn-outline-primary" onclick="openInBrowser()">${langdata.PREVIEW_SITE_IN_BROWSER[lang_name]}</button>
+    <button class="btn btn-outline-success" onclick="openInBrowser()">${langdata.PREVIEW_SITE_IN_BROWSER[lang_name]}</button>
     <button class="btn btn-outline-primary" onclick="exit_preview()">${langdata.EXIT_PREVIEW[lang_name]}</button>
     
     
diff --git a/App/start.js b/App/start.js
index 3ba1bf4..e817298 100644
--- a/App/start.js
+++ b/App/start.js
@@ -188,7 +188,7 @@ storage.has("language", (error, hasKey) => {
            
            <p>${langdata.CREATE_NEW_SITE_DESCRIPTION[0][lang_name]}</p>
            <p><b>${langdata.CREATE_NEW_SITE_DESCRIPTION[1][lang_name]}</b></p>
-           <button type="button" class="btn btn-outline-primary"
+           <button type="button" class="btn btn-outline-success"
              onclick="create_new_site_choose_root_dir();">${langdata.SELECT_SITE_ROOT_DIRECTORY[lang_name]}</button>
            
            `;
diff --git a/App/ui/edit_article_meta_dialog_footer_ui.html b/App/ui/edit_article_meta_dialog_footer_ui.html
index 4a57b20..e2cb142 100644
--- a/App/ui/edit_article_meta_dialog_footer_ui.html
+++ b/App/ui/edit_article_meta_dialog_footer_ui.html
@@ -3,7 +3,7 @@
 </button>
 <button
   type="button"
-  class="btn btn-outline-primary"
+  class="btn btn-outline-success"
   id="save_article_meta_btn"
   data-bs-dismiss="modal"
 >
diff --git a/App/ui/edit_page_meta_dialog_footer.html b/App/ui/edit_page_meta_dialog_footer.html
index 63cca33..aa22af0 100644
--- a/App/ui/edit_page_meta_dialog_footer.html
+++ b/App/ui/edit_page_meta_dialog_footer.html
@@ -1,6 +1,6 @@
 <button type="button" class="btn btn-outline-primary" data-bs-dismiss="modal">
   <i class="fa fa-ban"></i> ${langdata["CANCEL"][lang_name]}
 </button>
-<button type="button" class="btn btn-outline-primary" id="save_page_meta_btn"  data-bs-dismiss="modal">
+<button type="button" class="btn btn-outline-success" id="save_page_meta_btn"  data-bs-dismiss="modal">
   <i class="fa fa-check"></i>  ${langdata["SAVE_CONFIGURATION"][lang_name]}
 </button>