diff --git a/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeData.java b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeData.java
new file mode 100644
index 00000000..015896b7
--- /dev/null
+++ b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeData.java
@@ -0,0 +1,27 @@
+package com.iflytek.skillhub.auth.device;
+
+import java.io.Serializable;
+
+public class DeviceCodeData implements Serializable {
+    private String deviceCode;
+    private String userCode;
+    private DeviceCodeStatus status;
+    private String userId;
+
+    public DeviceCodeData() {}
+
+    public DeviceCodeData(String deviceCode, String userCode,
+                          DeviceCodeStatus status, String userId) {
+        this.deviceCode = deviceCode;
+        this.userCode = userCode;
+        this.status = status;
+        this.userId = userId;
+    }
+
+    public String getDeviceCode() { return deviceCode; }
+    public String getUserCode() { return userCode; }
+    public DeviceCodeStatus getStatus() { return status; }
+    public void setStatus(DeviceCodeStatus status) { this.status = status; }
+    public String getUserId() { return userId; }
+    public void setUserId(String userId) { this.userId = userId; }
+}
diff --git a/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeResponse.java b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeResponse.java
new file mode 100644
index 00000000..ea1f2e3d
--- /dev/null
+++ b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeResponse.java
@@ -0,0 +1,9 @@
+package com.iflytek.skillhub.auth.device;
+
+public record DeviceCodeResponse(
+    String deviceCode,
+    String userCode,
+    String verificationUri,
+    int expiresIn,
+    int interval
+) {}
diff --git a/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeStatus.java b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeStatus.java
new file mode 100644
index 00000000..34226df8
--- /dev/null
+++ b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceCodeStatus.java
@@ -0,0 +1,7 @@
+package com.iflytek.skillhub.auth.device;
+
+public enum DeviceCodeStatus {
+    PENDING,
+    AUTHORIZED,
+    USED
+}
diff --git a/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceTokenResponse.java b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceTokenResponse.java
new file mode 100644
index 00000000..100374fd
--- /dev/null
+++ b/server/skillhub-auth/src/main/java/com/iflytek/skillhub/auth/device/DeviceTokenResponse.java
@@ -0,0 +1,15 @@
+package com.iflytek.skillhub.auth.device;
+
+public record DeviceTokenResponse(
+    String accessToken,
+    String tokenType,
+    String error
+) {
+    public static DeviceTokenResponse pending() {
+        return new DeviceTokenResponse(null, null, "authorization_pending");
+    }
+
+    public static DeviceTokenResponse success(String token) {
+        return new DeviceTokenResponse(token, "Bearer", null);
+    }
+}