diff --git a/Sources/Models/AppConfig.swift b/Sources/Models/AppConfig.swift
index 1d35218..25eb869 100644
--- a/Sources/Models/AppConfig.swift
+++ b/Sources/Models/AppConfig.swift
@@ -29,14 +29,14 @@ struct AppConfig: Codable, Equatable {
     var calibrationEnabled: Bool = false
 
     struct FieldMappings: Codable, Equatable {
-        var titleField: String = "Title"
-        var priorityField: String = "Priority"
-        var statusField: String = "Status"
-        var assigneeField: String = "Assignee"
-        var reporterField: String = "Reporter"
-        var customerField: String = "CustomerName"
-        var createdAtField: String = "Created At"
-        var updatedAtField: String = "Updated At"
+        var titleField: String = "问题描述"
+        var priorityField: String = "优先级"
+        var statusField: String = "状态"
+        var assigneeField: String = "负责人"
+        var reporterField: String = "创建人"
+        var customerField: String = "客户名称"
+        var createdAtField: String = "提出时间"
+        var updatedAtField: String = "最后更新时间"
 
         /// Map Feishu display values to standard BugStatus cases.
         /// Keys are the Feishu select-option text; values are the standard status.