diff --git a/StockMonitor/Models/AppSettings.swift b/StockMonitor/Models/AppSettings.swift
index 9c7aa08..316cd1b 100644
--- a/StockMonitor/Models/AppSettings.swift
+++ b/StockMonitor/Models/AppSettings.swift
@@ -4,12 +4,14 @@ enum DisplayCurrency: String, Codable, CaseIterable {
     case cny = "CNY"
     case hkd = "HKD"
     case usd = "USD"
+    case krw = "KRW"
 
     var symbol: String {
         switch self {
         case .cny: return "¥"
         case .hkd: return "HK$"
         case .usd: return "$"
+        case .krw: return "₩"
         }
     }
 
@@ -18,6 +20,7 @@ enum DisplayCurrency: String, Codable, CaseIterable {
         case .cny: return "人民币 ¥"
         case .hkd: return "港币 HK$"
         case .usd: return "美元 $"
+        case .krw: return "韩元 ₩"
         }
     }
 }
diff --git a/StockMonitor/Models/Stock.swift b/StockMonitor/Models/Stock.swift
index 589beed..3e1eaa6 100644
--- a/StockMonitor/Models/Stock.swift
+++ b/StockMonitor/Models/Stock.swift
@@ -4,10 +4,12 @@ enum Market: String, Codable, CaseIterable {
     case aStock  = "A股"
     case hkStock = "港股"
     case usStock = "美股"
+    case krStock = "韩股"
 
     static func from(code: String) -> Market {
         if code.hasPrefix("hk")   { return .hkStock }
         if code.hasPrefix("usr_") { return .usStock }
+        if code.hasPrefix("kr_")  { return .krStock }
         return .aStock
     }
 }
diff --git a/StockMonitor/Services/CurrencyService.swift b/StockMonitor/Services/CurrencyService.swift
index 6696b69..98d56cc 100644
--- a/StockMonitor/Services/CurrencyService.swift
+++ b/StockMonitor/Services/CurrencyService.swift
@@ -1,11 +1,14 @@
 import Foundation
 
 struct ExchangeRates {
-    var usdToCny: Double = 7.28   // 默认兜底值
+    var usdToCny: Double = 7.28      // 默认兜底值
     var usdToHkd: Double = 7.78
+    var usdToKrw: Double = 1380.0    // 默认兜底（2026 年初均值）；CurrencyService 拉成功后覆盖
 
     /// HKD/CNY = USD/CNY ÷ USD/HKD
     var hkdToCny: Double { usdToCny / usdToHkd }
+    /// KRW/CNY = USD/CNY ÷ USD/KRW
+    var krwToCny: Double { usdToCny / usdToKrw }
 
     /// 将 amount（native 货币）转换为目标货币
     func convert(_ amount: Double, from market: Market, to currency: DisplayCurrency) -> Double {
@@ -15,21 +18,23 @@ struct ExchangeRates {
         case .aStock:  inCny = amount
         case .hkStock: inCny = amount * hkdToCny
         case .usStock: inCny = amount * usdToCny
+        case .krStock: inCny = amount * krwToCny
         }
         // 再从 CNY 转出去
         switch currency {
         case .cny: return inCny
         case .hkd: return inCny / hkdToCny
         case .usd: return inCny / usdToCny
+        case .krw: return inCny / krwToCny
         }
     }
 }
 
 final class CurrencyService {
 
-    /// 从新浪财经获取 USD/CNY、USD/HKD 汇率，失败时返回内置兜底值
+    /// 从新浪财经获取 USD/CNY、USD/HKD、USD/KRW 汇率，失败时返回内置兜底值
     static func fetchRates() async -> ExchangeRates {
-        let urlStr = "https://hq.sinajs.cn/list=fx_susdcny,fx_susdhkd"
+        let urlStr = "https://hq.sinajs.cn/list=fx_susdcny,fx_susdhkd,fx_susdkrw"
         guard let url = URL(string: urlStr) else { return ExchangeRates() }
         var req = URLRequest(url: url)
         req.setValue("https://finance.sina.com.cn", forHTTPHeaderField: "Referer")
@@ -41,6 +46,7 @@ final class CurrencyService {
         for line in body.components(separatedBy: "\n") {
             if let r = parseFirstPositiveDouble(from: line, code: "fx_susdcny") { rates.usdToCny = r }
             if let r = parseFirstPositiveDouble(from: line, code: "fx_susdhkd") { rates.usdToHkd = r }
+            if let r = parseFirstPositiveDouble(from: line, code: "fx_susdkrw") { rates.usdToKrw = r }
         }
         return rates
     }
diff --git a/StockMonitor/Views/StockChartView.swift b/StockMonitor/Views/StockChartView.swift
index 85baaba..210c163 100644
--- a/StockMonitor/Views/StockChartView.swift
+++ b/StockMonitor/Views/StockChartView.swift
@@ -22,6 +22,7 @@ struct StockChartView: View {
         case .aStock:  return 0...239
         case .hkStock: return 0...329
         case .usStock: return 0...959
+        case .krStock: return 0...389
         }
     }
 
@@ -35,6 +36,9 @@ struct StockChartView: View {
         case .usStock:
             // 基准 04:00 ET；330=09:30；720=16:00；959=19:59
             return [(0, "04:00"), (330, "09:30"), (570, "13:30"), (720, "16:00"), (959, "20:00")]
+        case .krStock:
+            // 基准 09:00 KST；180=12:00；389=15:29
+            return [(0, "09:00"), (90, "10:30"), (180, "12:00"), (270, "13:30"), (389, "15:30")]
         }
     }
 
diff --git a/StockMonitorTests/Models/StockTests.swift b/StockMonitorTests/Models/StockTests.swift
index 9f34222..1314415 100644
--- a/StockMonitorTests/Models/StockTests.swift
+++ b/StockMonitorTests/Models/StockTests.swift
@@ -54,4 +54,30 @@ final class StockTests: XCTestCase {
                          changePercent: -10.0, updateTime: "15:00:00")
         XCTAssertEqual(stock.pnl(quote: quote)!, -500.0, accuracy: 0.001)
     }
+
+    func test_market_fromCode_krStock_kospi() {
+        XCTAssertEqual(Market.from(code: "kr_005930.ks"), .krStock)
+    }
+
+    func test_market_fromCode_krStock_kosdaq() {
+        XCTAssertEqual(Market.from(code: "kr_293490.kq"), .krStock)
+    }
+
+    func test_market_krStock_rawValue() {
+        XCTAssertEqual(Market.krStock.rawValue, "韩股")
+    }
+
+    func test_market_allCases_includes_kr() {
+        XCTAssertTrue(Market.allCases.contains(.krStock))
+    }
+
+    func test_stock_codable_roundtrip_kr() throws {
+        let stock = Stock(id: "kr_005930.ks", name: "Samsung Electronics", market: .krStock,
+                         costPrice: 80000.0, holdingShares: 10)
+        let data = try JSONEncoder().encode(stock)
+        let decoded = try JSONDecoder().decode(Stock.self, from: data)
+        XCTAssertEqual(decoded.id, "kr_005930.ks")
+        XCTAssertEqual(decoded.market, .krStock)
+        XCTAssertEqual(decoded.costPrice, 80000.0)
+    }
 }
diff --git a/StockMonitorTests/Services/CurrencyKRWTests.swift b/StockMonitorTests/Services/CurrencyKRWTests.swift
new file mode 100644
index 0000000..e1fad20
--- /dev/null
+++ b/StockMonitorTests/Services/CurrencyKRWTests.swift
@@ -0,0 +1,59 @@
+import XCTest
+@testable import Stockbar
+
+final class CurrencyKRWTests: XCTestCase {
+
+    private func rates() -> ExchangeRates {
+        var r = ExchangeRates()
+        r.usdToCny = 7.28
+        r.usdToHkd = 7.78
+        r.usdToKrw = 1380.0
+        return r
+    }
+
+    func test_default_usdToKrw_isFallback() {
+        let r = ExchangeRates()
+        XCTAssertEqual(r.usdToKrw, 1380.0, accuracy: 0.0001)
+    }
+
+    func test_convert_krw_to_cny() {
+        let r = rates()
+        let cny = r.convert(1_000_000, from: .krStock, to: .cny)
+        XCTAssertEqual(cny, 1_000_000.0 / 1380.0 * 7.28, accuracy: 0.01)
+    }
+
+    func test_convert_krw_to_usd() {
+        let r = rates()
+        let usd = r.convert(1_380_000, from: .krStock, to: .usd)
+        XCTAssertEqual(usd, 1000.0, accuracy: 0.001)
+    }
+
+    func test_convert_krw_to_hkd() {
+        let r = rates()
+        let hkd = r.convert(1_380_000, from: .krStock, to: .hkd)
+        XCTAssertEqual(hkd, 1000.0 * 7.78, accuracy: 0.01)
+    }
+
+    func test_convert_krw_to_krw_identity() {
+        let r = rates()
+        XCTAssertEqual(r.convert(123_456, from: .krStock, to: .krw), 123_456.0, accuracy: 0.001)
+    }
+
+    func test_convert_cny_to_krw() {
+        let r = rates()
+        let krw = r.convert(728.0, from: .aStock, to: .krw)
+        XCTAssertEqual(krw, 138_000.0, accuracy: 0.1)
+    }
+
+    func test_convert_usd_to_krw() {
+        let r = rates()
+        let krw = r.convert(100.0, from: .usStock, to: .krw)
+        XCTAssertEqual(krw, 138_000.0, accuracy: 0.1)
+    }
+
+    func test_convert_hkd_to_krw() {
+        let r = rates()
+        let krw = r.convert(778.0, from: .hkStock, to: .krw)
+        XCTAssertEqual(krw, 138_000.0, accuracy: 0.5)
+    }
+}