diff --git a/controller/misc.go b/controller/misc.go
index 29b3a5c5e180..7c6f9820f37d 100644
--- a/controller/misc.go
+++ b/controller/misc.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/QuantumNous/new-api/common"
 	"github.com/QuantumNous/new-api/constant"
+	"github.com/QuantumNous/new-api/i18n"
 	"github.com/QuantumNous/new-api/logger"
 	"github.com/QuantumNous/new-api/middleware"
 	"github.com/QuantumNous/new-api/model"
@@ -231,18 +232,12 @@ func GetHomePageContent(c *gin.Context) {
 func SendEmailVerification(c *gin.Context) {
 	email := c.Query("email")
 	if err := common.Validate.Var(email, "required,email"); err != nil {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "无效的参数",
-		})
+		common.ApiErrorI18n(c, i18n.MsgInvalidParams)
 		return
 	}
 	parts := strings.Split(email, "@")
 	if len(parts) != 2 {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "无效的邮箱地址",
-		})
+		common.ApiErrorI18n(c, i18n.MsgAuthEmailInvalid)
 		return
 	}
 	localPart := parts[0]
@@ -256,37 +251,38 @@ func SendEmailVerification(c *gin.Context) {
 			}
 		}
 		if !allowed {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": "The administrator has enabled the email domain name whitelist, and your email address is not allowed due to special symbols or it's not in the whitelist.",
-			})
+			common.ApiErrorI18n(c, i18n.MsgAuthEmailDomainRestricted)
 			return
 		}
 	}
 	if common.EmailAliasRestrictionEnabled {
 		containsSpecialSymbols := strings.Contains(localPart, "+") || strings.Contains(localPart, ".")
 		if containsSpecialSymbols {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": "管理员已启用邮箱地址别名限制，您的邮箱地址由于包含特殊符号而被拒绝。",
-			})
+			common.ApiErrorI18n(c, i18n.MsgAuthEmailAliasRestricted)
 			return
 		}
 	}
 
 	if model.IsEmailAlreadyTaken(email) {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "邮箱地址已被占用",
-		})
+		common.ApiErrorI18n(c, i18n.MsgAuthEmailTaken)
 		return
 	}
 	code := common.GenerateVerificationCode(6)
 	common.RegisterVerificationCodeWithKey(email, code, common.EmailVerificationPurpose)
-	subject := fmt.Sprintf("%s邮箱验证邮件", common.SystemName)
-	content := fmt.Sprintf("<p>您好，你正在进行%s邮箱验证。</p>"+
-		"<p>您的验证码为: <strong>%s</strong></p>"+
-		"<p>验证码 %d 分钟内有效，如果不是本人操作，请忽略。</p>", common.SystemName, code, common.VerificationValidMinutes)
+	subject := i18n.T(c, i18n.MsgAuthEmailVerificationSubject, map[string]any{
+		"SystemName": common.SystemName,
+	})
+	content := fmt.Sprintf("<p>%s</p><p>%s</p><p>%s</p>",
+		i18n.T(c, i18n.MsgAuthEmailVerificationIntro, map[string]any{
+			"SystemName": common.SystemName,
+		}),
+		i18n.T(c, i18n.MsgAuthEmailVerificationCode, map[string]any{
+			"Code": code,
+		}),
+		i18n.T(c, i18n.MsgAuthEmailVerificationExpiry, map[string]any{
+			"Minutes": common.VerificationValidMinutes,
+		}),
+	)
 	err := common.SendEmail(subject, email, content)
 	if err != nil {
 		common.ApiError(c, err)
@@ -302,21 +298,30 @@ func SendEmailVerification(c *gin.Context) {
 func SendPasswordResetEmail(c *gin.Context) {
 	email := c.Query("email")
 	if err := common.Validate.Var(email, "required,email"); err != nil {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "无效的参数",
-		})
+		common.ApiErrorI18n(c, i18n.MsgInvalidParams)
 		return
 	}
 	if model.IsEmailAlreadyTaken(email) {
 		code := common.GenerateVerificationCode(0)
 		common.RegisterVerificationCodeWithKey(email, code, common.PasswordResetPurpose)
 		link := fmt.Sprintf("%s/user/reset?email=%s&token=%s", system_setting.ServerAddress, email, code)
-		subject := fmt.Sprintf("%s密码重置", common.SystemName)
-		content := fmt.Sprintf("<p>您好，你正在进行%s密码重置。</p>"+
-			"<p>点击 <a href='%s'>此处</a> 进行密码重置。</p>"+
-			"<p>如果链接无法点击，请尝试点击下面的链接或将其复制到浏览器中打开：<br> %s </p>"+
-			"<p>重置链接 %d 分钟内有效，如果不是本人操作，请忽略。</p>", common.SystemName, link, link, common.VerificationValidMinutes)
+		subject := i18n.T(c, i18n.MsgAuthPasswordResetSubject, map[string]any{
+			"SystemName": common.SystemName,
+		})
+		content := fmt.Sprintf("<p>%s</p><p>%s</p><p>%s</p><p>%s</p>",
+			i18n.T(c, i18n.MsgAuthPasswordResetIntro, map[string]any{
+				"SystemName": common.SystemName,
+			}),
+			i18n.T(c, i18n.MsgAuthPasswordResetClick, map[string]any{
+				"Link": link,
+			}),
+			i18n.T(c, i18n.MsgAuthPasswordResetCopy, map[string]any{
+				"Link": link,
+			}),
+			i18n.T(c, i18n.MsgAuthPasswordResetExpiry, map[string]any{
+				"Minutes": common.VerificationValidMinutes,
+			}),
+		)
 		err := common.SendEmail(subject, email, content)
 		if err != nil {
 			logger.LogError(c.Request.Context(), fmt.Sprintf("failed to send password reset email to %s: %s", email, err.Error()))
@@ -337,17 +342,11 @@ func ResetPassword(c *gin.Context) {
 	var req PasswordResetRequest
 	err := json.NewDecoder(c.Request.Body).Decode(&req)
 	if req.Email == "" || req.Token == "" {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "无效的参数",
-		})
+		common.ApiErrorI18n(c, i18n.MsgInvalidParams)
 		return
 	}
 	if !common.VerifyCodeWithKey(req.Email, req.Token, common.PasswordResetPurpose) {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "重置链接非法或已过期",
-		})
+		common.ApiErrorI18n(c, i18n.MsgAuthPasswordResetInvalid)
 		return
 	}
 	password := common.GenerateVerificationCode(12)
diff --git a/i18n/keys.go b/i18n/keys.go
index 8e551d2ea657..ec4844cfb22b 100644
--- a/i18n/keys.go
+++ b/i18n/keys.go
@@ -40,6 +40,28 @@ const (
 	MsgAuthInsufficientPrivilege = "auth.insufficient_privilege"
 )
 
+// Public auth and verification messages
+const (
+	MsgAuthEmailInvalid             = "auth.email_invalid"
+	MsgAuthEmailDomainRestricted    = "auth.email_domain_restricted"
+	MsgAuthEmailAliasRestricted     = "auth.email_alias_restricted"
+	MsgAuthEmailTaken               = "auth.email_taken"
+	MsgAuthEmailVerificationSubject = "auth.email_verification_subject"
+	MsgAuthEmailVerificationIntro   = "auth.email_verification_intro"
+	MsgAuthEmailVerificationCode    = "auth.email_verification_code"
+	MsgAuthEmailVerificationExpiry  = "auth.email_verification_expiry"
+	MsgAuthPasswordResetSubject     = "auth.password_reset_subject"
+	MsgAuthPasswordResetIntro       = "auth.password_reset_intro"
+	MsgAuthPasswordResetClick       = "auth.password_reset_click"
+	MsgAuthPasswordResetCopy        = "auth.password_reset_copy"
+	MsgAuthPasswordResetExpiry      = "auth.password_reset_expiry"
+	MsgAuthPasswordResetInvalid     = "auth.password_reset_invalid"
+	MsgAuthEmailRateLimitWait       = "auth.email_rate_limit_wait"
+	MsgAuthEmailRateLimitRetry      = "auth.email_rate_limit_retry"
+	MsgAuthTurnstileTokenEmpty      = "auth.turnstile_token_empty"
+	MsgAuthTurnstileFailed          = "auth.turnstile_failed"
+)
+
 // Token related messages
 const (
 	MsgTokenNameTooLong          = "token.name_too_long"
diff --git a/i18n/locales/en.yaml b/i18n/locales/en.yaml
index 064abc708420..bd07951b4c21 100644
--- a/i18n/locales/en.yaml
+++ b/i18n/locales/en.yaml
@@ -32,6 +32,24 @@ auth.user_id_format_error: "Unauthorized, New-Api-User header format error"
 auth.user_id_mismatch: "Unauthorized, New-Api-User does not match logged in user"
 auth.user_banned: "User has been banned"
 auth.insufficient_privilege: "Unauthorized, insufficient privileges"
+auth.email_invalid: "Invalid email address"
+auth.email_domain_restricted: "The administrator has enabled the email domain whitelist, and your email address is not allowed because it contains special symbols or is not in the whitelist."
+auth.email_alias_restricted: "The administrator has enabled email alias restrictions, and your email address was rejected because it contains special symbols."
+auth.email_taken: "Email address is already in use"
+auth.email_verification_subject: "{{.SystemName}} email verification"
+auth.email_verification_intro: "Hello, you are verifying your email address for {{.SystemName}}."
+auth.email_verification_code: "Your verification code is: <strong>{{.Code}}</strong>"
+auth.email_verification_expiry: "This code is valid for {{.Minutes}} minutes. If you did not request this, you can ignore this email."
+auth.password_reset_subject: "{{.SystemName}} password reset"
+auth.password_reset_intro: "Hello, you requested a password reset for {{.SystemName}}."
+auth.password_reset_click: "Click <a href='{{.Link}}'>here</a> to reset your password."
+auth.password_reset_copy: "If the link is not clickable, copy and paste this URL into your browser:<br> {{.Link}}"
+auth.password_reset_expiry: "This reset link is valid for {{.Minutes}} minutes. If you did not request this, you can ignore this email."
+auth.password_reset_invalid: "The reset link is invalid or has expired"
+auth.email_rate_limit_wait: "Too many requests. Please wait {{.Seconds}} seconds and try again"
+auth.email_rate_limit_retry: "Too many requests. Please try again later"
+auth.turnstile_token_empty: "Turnstile token is empty"
+auth.turnstile_failed: "Turnstile verification failed. Please refresh and try again."
 
 # Token messages
 token.name_too_long: "Token name is too long"
diff --git a/i18n/locales/zh-CN.yaml b/i18n/locales/zh-CN.yaml
index b05ca743f33a..f59137d81462 100644
--- a/i18n/locales/zh-CN.yaml
+++ b/i18n/locales/zh-CN.yaml
@@ -33,6 +33,24 @@ auth.user_id_format_error: "无权进行此操作，New-Api-User 格式错误"
 auth.user_id_mismatch: "无权进行此操作，New-Api-User 与登录用户不匹配"
 auth.user_banned: "用户已被封禁"
 auth.insufficient_privilege: "无权进行此操作，权限不足"
+auth.email_invalid: "无效的邮箱地址"
+auth.email_domain_restricted: "管理员已启用邮箱域名白名单，您的邮箱地址由于包含特殊符号或不在白名单中而被拒绝。"
+auth.email_alias_restricted: "管理员已启用邮箱地址别名限制，您的邮箱地址由于包含特殊符号而被拒绝。"
+auth.email_taken: "邮箱地址已被占用"
+auth.email_verification_subject: "{{.SystemName}}邮箱验证邮件"
+auth.email_verification_intro: "您好，你正在进行{{.SystemName}}邮箱验证。"
+auth.email_verification_code: "您的验证码为: <strong>{{.Code}}</strong>"
+auth.email_verification_expiry: "验证码 {{.Minutes}} 分钟内有效，如果不是本人操作，请忽略。"
+auth.password_reset_subject: "{{.SystemName}}密码重置"
+auth.password_reset_intro: "您好，你正在进行{{.SystemName}}密码重置。"
+auth.password_reset_click: "点击 <a href='{{.Link}}'>此处</a> 进行密码重置。"
+auth.password_reset_copy: "如果链接无法点击，请尝试点击下面的链接或将其复制到浏览器中打开：<br> {{.Link}}"
+auth.password_reset_expiry: "重置链接 {{.Minutes}} 分钟内有效，如果不是本人操作，请忽略。"
+auth.password_reset_invalid: "重置链接非法或已过期"
+auth.email_rate_limit_wait: "发送过于频繁，请等待 {{.Seconds}} 秒后再试"
+auth.email_rate_limit_retry: "发送过于频繁，请稍后再试"
+auth.turnstile_token_empty: "Turnstile token 为空"
+auth.turnstile_failed: "Turnstile 校验失败，请刷新重试！"
 
 # Token messages
 token.name_too_long: "令牌名称过长"
diff --git a/i18n/locales/zh-TW.yaml b/i18n/locales/zh-TW.yaml
index 6ae222b711eb..f7cfafe58da8 100644
--- a/i18n/locales/zh-TW.yaml
+++ b/i18n/locales/zh-TW.yaml
@@ -33,6 +33,24 @@ auth.user_id_format_error: "無權進行此操作，New-Api-User 格式錯誤"
 auth.user_id_mismatch: "無權進行此操作，New-Api-User 與登入使用者不匹配"
 auth.user_banned: "使用者已被封禁"
 auth.insufficient_privilege: "無權進行此操作，權限不足"
+auth.email_invalid: "無效的信箱位址"
+auth.email_domain_restricted: "管理員已啟用信箱網域白名單，您的信箱位址由於包含特殊符號或不在白名單中而被拒絕。"
+auth.email_alias_restricted: "管理員已啟用信箱位址別名限制，您的信箱位址由於包含特殊符號而被拒絕。"
+auth.email_taken: "信箱位址已被占用"
+auth.email_verification_subject: "{{.SystemName}}信箱驗證郵件"
+auth.email_verification_intro: "您好，您正在進行{{.SystemName}}信箱驗證。"
+auth.email_verification_code: "您的驗證碼為: <strong>{{.Code}}</strong>"
+auth.email_verification_expiry: "驗證碼 {{.Minutes}} 分鐘內有效，如果不是本人操作，請忽略。"
+auth.password_reset_subject: "{{.SystemName}}密碼重設"
+auth.password_reset_intro: "您好，您正在進行{{.SystemName}}密碼重設。"
+auth.password_reset_click: "點擊 <a href='{{.Link}}'>此處</a> 進行密碼重設。"
+auth.password_reset_copy: "如果連結無法點擊，請嘗試點擊下面的連結或將其複製到瀏覽器中開啟：<br> {{.Link}}"
+auth.password_reset_expiry: "重設連結 {{.Minutes}} 分鐘內有效，如果不是本人操作，請忽略。"
+auth.password_reset_invalid: "重設連結非法或已過期"
+auth.email_rate_limit_wait: "傳送過於頻繁，請等待 {{.Seconds}} 秒後再試"
+auth.email_rate_limit_retry: "傳送過於頻繁，請稍後再試"
+auth.turnstile_token_empty: "Turnstile token 為空"
+auth.turnstile_failed: "Turnstile 驗證失敗，請重新整理後再試！"
 
 # Token messages
 token.name_too_long: "令牌名稱過長"
diff --git a/middleware/email-verification-rate-limit.go b/middleware/email-verification-rate-limit.go
index 470d7731cb0f..7f172ba8871d 100644
--- a/middleware/email-verification-rate-limit.go
+++ b/middleware/email-verification-rate-limit.go
@@ -2,11 +2,11 @@ package middleware
 
 import (
 	"context"
-	"fmt"
 	"net/http"
 	"time"
 
 	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/i18n"
 
 	"github.com/gin-gonic/gin"
 )
@@ -49,7 +49,9 @@ func redisEmailVerificationRateLimiter(c *gin.Context) {
 
 	c.JSON(http.StatusTooManyRequests, gin.H{
 		"success": false,
-		"message": fmt.Sprintf("发送过于频繁，请等待 %d 秒后再试", waitSeconds),
+		"message": common.TranslateMessage(c, i18n.MsgAuthEmailRateLimitWait, map[string]any{
+			"Seconds": waitSeconds,
+		}),
 	})
 	c.Abort()
 }
@@ -60,7 +62,7 @@ func memoryEmailVerificationRateLimiter(c *gin.Context) {
 	if !inMemoryRateLimiter.Request(key, EmailVerificationMaxRequests, EmailVerificationDuration) {
 		c.JSON(http.StatusTooManyRequests, gin.H{
 			"success": false,
-			"message": "发送过于频繁，请稍后再试",
+			"message": common.TranslateMessage(c, i18n.MsgAuthEmailRateLimitRetry),
 		})
 		c.Abort()
 		return
diff --git a/middleware/turnstile-check.go b/middleware/turnstile-check.go
index af87fad4423c..0b6595e72580 100644
--- a/middleware/turnstile-check.go
+++ b/middleware/turnstile-check.go
@@ -6,6 +6,7 @@ import (
 	"net/url"
 
 	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/i18n"
 	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
 )
@@ -27,7 +28,7 @@ func TurnstileCheck() gin.HandlerFunc {
 			if response == "" {
 				c.JSON(http.StatusOK, gin.H{
 					"success": false,
-					"message": "Turnstile token 为空",
+					"message": common.TranslateMessage(c, i18n.MsgAuthTurnstileTokenEmpty),
 				})
 				c.Abort()
 				return
@@ -61,7 +62,7 @@ func TurnstileCheck() gin.HandlerFunc {
 			if !res.Success {
 				c.JSON(http.StatusOK, gin.H{
 					"success": false,
-					"message": "Turnstile 校验失败，请刷新重试！",
+					"message": common.TranslateMessage(c, i18n.MsgAuthTurnstileFailed),
 				})
 				c.Abort()
 				return
@@ -70,7 +71,7 @@ func TurnstileCheck() gin.HandlerFunc {
 			err = session.Save()
 			if err != nil {
 				c.JSON(http.StatusOK, gin.H{
-					"message": "无法保存会话信息，请重试",
+					"message": common.TranslateMessage(c, i18n.MsgUserSessionSaveFailed),
 					"success": false,
 				})
 				return