diff --git a/cmd/auth/login.go b/cmd/auth/login.go
index 760f1cb6f..41510d667 100644
--- a/cmd/auth/login.go
+++ b/cmd/auth/login.go
@@ -276,7 +276,7 @@ func authLoginRun(opts *LoginOptions) error {
 			"verification_url": authResp.VerificationUriComplete,
 			"device_code":      authResp.DeviceCode,
 			"expires_in":       authResp.ExpiresIn,
-			"hint":             fmt.Sprintf("**MUST generate QR code AND display it:** You MUST call lark-cli auth qrcode to convert verification_url into a QR code. This is a required step, do NOT skip it. Prefer PNG QR code (--output); use ASCII (--ascii) only when the user explicitly requests it.**CRITICAL: You MUST include the QR image in your response.** Generating the file alone is NOT enough—use image tags, inline images, or file attachments to display it.**Display order:** Output the URL first, then place the QR code image below the URL.**URL Output Rules:** Treat verification_url as an opaque string that cannot be modified. Do NOT URL-encode/decode or add spaces/punctuation. For agent harnesses that only deliver final turn messages, make the QR code image (or URL) the final message of the turn and return control to the user; do not block on --device-code in the same turn. After the user confirms authorization in a later step, run: lark-cli auth login --device-code %s", authResp.DeviceCode),
+			"hint":             msg.AgentTimeoutHint,
 		}
 		encoder := json.NewEncoder(f.IOStreams.Out)
 		encoder.SetEscapeHTML(false)
diff --git a/cmd/auth/login_test.go b/cmd/auth/login_test.go
index 416185092..9105521ff 100644
--- a/cmd/auth/login_test.go
+++ b/cmd/auth/login_test.go
@@ -945,24 +945,24 @@ func TestAuthLoginRun_NoWaitJSONHintIncludesRawURLGuidance(t *testing.T) {
 	}
 	hint, _ := data["hint"].(string)
 	for _, want := range []string{
-		"MUST generate QR code AND display it",
+		"必须生成二维码并展示",
 		"lark-cli auth qrcode",
-		"Prefer PNG QR code (--output)",
-		"use ASCII (--ascii) only when the user explicitly requests it",
-		"This is a required step, do NOT skip it",
-		"CRITICAL",
-		"You MUST include the QR image in your response",
-		"Generating the file alone is NOT enough",
-		"image tags, inline images, or file attachments",
-		"Display order",
-		"place the QR code image below the URL",
+		"优先生成 PNG 二维码（--output）",
+		"仅当用户明确要求时才使用 ASCII（--ascii）",
+		"这是必须步骤，不要跳过",
+		"关键",
+		"生成后必须在回复中展示图片",
+		"仅生成文件不算完成",
+		"image 标签或内联图片等方式",
+		"展示顺序",
+		"将二维码图片置于 URL 下方完整展示",
 		"opaque string",
-		"cannot be modified",
-		"final message of the turn",
-		"return control to the user",
-		"do not block on --device-code in the same turn",
-		"After the user confirms authorization in a later step",
-		"lark-cli auth login --device-code device-code",
+		"不可修改",
+		"本轮最终消息",
+		"结束本轮",
+		"不要在同一轮里展示 URL 后立刻阻塞执行 --device-code",
+		"等用户回复已完成授权后，再在后续步骤",
+		"lark-cli auth login --device-code <code>",
 	} {
 		if !strings.Contains(hint, want) {
 			t.Fatalf("hint missing %q, got:\n%s", want, hint)