diff --git a/src/assets/locales/zh-CN.json b/src/assets/locales/zh-CN.json
index dbdb10aa..cd3bbebd 100644
--- a/src/assets/locales/zh-CN.json
+++ b/src/assets/locales/zh-CN.json
@@ -1062,11 +1062,15 @@
   "You have reached the device limit for your account. Please install the latest mobile version of Koodo Reader to remove unused device by visiting Settings - Account - Device Management. ": "您的账户已达到设备数量上限。请安装最新 Koodo Reader 移动版，移除未使用的设备，请前往 设置 - 账户 - 设备管理。",
   "Relink": "重新链接",
   "The text is empty": "文本为空",
-  "Model assignment": "模型分配"
-  ,
-  "Auto sync reading progress to KOReader sync server": "自动同步阅读进度到 KOReader 同步服务器",
-  "After enabling it, clicking the sync button will compare reading progress between Koodo Reader and the KOReader sync server by book MD5 and keep the faster progress": "启用后，点击同步按钮会根据图书 MD5 比较 Koodo Reader 与 KOReader 同步服务器中的阅读进度，并保留进度更快的一方",
+  "Model assignment": "模型分配",
+  "Auto sync reading progress to KOReader sync server": "自动将阅读进度同步到 KOReader 同步服务器",
+  "After enabling it, clicking the sync button will sync reading progress between Koodo Reader and KOReader with KOReader sync server. A faster reading progress will override the slower one.": "启用后，点击同步按钮将通过 KOReader 同步服务器在 Koodo Reader 和 KOReader 之间同步阅读进度。较快的阅读进度将覆盖较慢的阅读进度。",
+  "Please fill in all fields": "请填写所有字段",
+  "Validating server info...": "正在验证服务器信息...",
   "Enter username": "输入用户名",
+  "Enter password": "输入密码",
   "Leave blank to keep the current password": "留空以保留当前密码",
+  "Validation successful": "验证成功",
+  "Validation failed": "验证失败",
   "Please configure the KOReader sync server first": "请先配置 KOReader 同步服务器"
 }
diff --git a/src/constants/settingList.tsx b/src/constants/settingList.tsx
index 163bdd16..50553f0f 100644
--- a/src/constants/settingList.tsx
+++ b/src/constants/settingList.tsx
@@ -124,7 +124,7 @@ export const dataSettingList = [
   {
     isElectron: false,
     title: "Auto sync reading progress to KOReader sync server",
-    desc: "After enabling it, clicking the sync button will compare reading progress between Koodo Reader and the KOReader sync server by book MD5 and keep the faster progress",
+    desc: "After enabling it, clicking the sync button will sync reading progress between Koodo Reader and KOReader with KOReader sync server. A faster reading progress will override the slower one.",
     propName: "isEnableKoReaderSync",
   },
 ];
diff --git a/src/containers/settings/dataSetting/component.tsx b/src/containers/settings/dataSetting/component.tsx
index 4dbfca32..dc90ac72 100644
--- a/src/containers/settings/dataSetting/component.tsx
+++ b/src/containers/settings/dataSetting/component.tsx
@@ -90,7 +90,8 @@ class DataSetting extends React.Component<SettingInfoProps, SettingInfoState> {
       return;
     }
 
-    const savedConfig = ConfigService.getReaderConfig("koReaderSyncConfig") || {};
+    const savedConfig =
+      ConfigService.getReaderConfig("koReaderSyncConfig") || {};
     const labels = {
       serverUrl: this.props.t("Server address"),
       username: this.props.t("Username"),
@@ -100,7 +101,7 @@ class DataSetting extends React.Component<SettingInfoProps, SettingInfoState> {
       {
         serverUrl: {
           value: savedConfig.serverUrl || "",
-          placeholder: "https://your-koreader-sync-server.com",
+          placeholder: "https://sync.koreader.rocks",
           type: "text",
         },
         username: {
@@ -135,6 +136,9 @@ class DataSetting extends React.Component<SettingInfoProps, SettingInfoState> {
     }
 
     try {
+      toast.loading(this.props.t("Validating server info..."), {
+        id: "ko-reader-sync",
+      });
       const verifiedConfig = await verifyAndBuildKOReaderSyncConfig({
         serverUrl: result.serverUrl,
         username: result.username,
@@ -147,10 +151,17 @@ class DataSetting extends React.Component<SettingInfoProps, SettingInfoState> {
       ConfigService.setReaderConfig("koReaderSyncConfig", verifiedConfig);
       this.setState({ isEnableKoReaderSync: true });
       ConfigService.setReaderConfig("isEnableKoReaderSync", "yes");
-      toast.success(this.props.t("Change successful"));
+      toast.success(this.props.t("Validation successful"), {
+        id: "ko-reader-sync",
+      });
     } catch (error) {
       toast.error(
-        error instanceof Error ? error.message : this.props.t("Binding failed")
+        error instanceof Error
+          ? error.message
+          : this.props.t("Validation failed"),
+        {
+          id: "ko-reader-sync",
+        }
       );
     }
   };