diff --git a/utils/curl.go b/utils/curl.go
index 7f41343..3c5496c 100644
--- a/utils/curl.go
+++ b/utils/curl.go
@@ -15,25 +15,25 @@ import (
 
 // CurlRequest - 发起请求的结构体
 type CurlRequest struct {
-	Body 	 any
-	Url      string
-	Method	 string
-	Client   *http.Client
-	Data     map[string]string
-	Query    map[string]string
-	Headers  map[string]string
+	Body    any
+	Url     string
+	Method  string
+	Client  *http.Client
+	Data    map[string]any
+	Query   map[string]any
+	Headers map[string]any
 }
 
 // CurlResponse - 响应的结构体
 type CurlResponse struct {
-	StatusCode   int
-	Request	  	 *http.Request
-	Headers    	 *http.Header
-	Body         *io.ReadCloser
-	Byte 	 	 []byte
-	Text 	 	 string
-	Json 	 	 map[string]any
-	Error 	     error
+	StatusCode int
+	Request    *http.Request
+	Headers    *http.Header
+	Body       *io.ReadCloser
+	Byte       []byte
+	Text       string
+	Json       map[string]any
+	Error      error
 }
 
 // CurlStruct - Curl 结构体
@@ -54,15 +54,15 @@ func Curl(request ...CurlRequest) *CurlStruct {
 	}
 
 	if IsEmpty(request[0].Data) {
-		request[0].Data = make(map[string]string)
+		request[0].Data = make(map[string]any)
 	}
 
 	if IsEmpty(request[0].Query) {
-		request[0].Query = make(map[string]string)
+		request[0].Query = make(map[string]any)
 	}
 
 	if IsEmpty(request[0].Headers) {
-		request[0].Headers = make(map[string]string)
+		request[0].Headers = make(map[string]any)
 	}
 
 	if IsEmpty(request[0].Client) {
@@ -70,44 +70,44 @@ func Curl(request ...CurlRequest) *CurlStruct {
 	}
 
 	return &CurlStruct{
-		request : &request[0],
+		request: &request[0],
 		response: &CurlResponse{
-			Json   : make(map[string]any),
+			Json: make(map[string]any),
 		},
 	}
 }
 
 // Get - 发起 GET 请求
 func (this *CurlStruct) Get(url string) *CurlStruct {
-	this.request.Url 	= url
+	this.request.Url = url
 	this.request.Method = "GET"
 	return this
 }
 
 // Post - 发起 POST 请求
 func (this *CurlStruct) Post(url string) *CurlStruct {
-	this.request.Url 	= url
+	this.request.Url = url
 	this.request.Method = "POST"
 	return this
 }
 
 // Put - 发起 PUT 请求
 func (this *CurlStruct) Put(url string) *CurlStruct {
-	this.request.Url 	= url
+	this.request.Url = url
 	this.request.Method = "PUT"
 	return this
 }
 
 // Patch - 发起 PATCH 请求
 func (this *CurlStruct) Patch(url string) *CurlStruct {
-	this.request.Url 	= url
+	this.request.Url = url
 	this.request.Method = "PATCH"
 	return this
 }
 
 // Delete - 发起 DELETE 请求
 func (this *CurlStruct) Delete(url string) *CurlStruct {
-	this.request.Url 	= url
+	this.request.Url = url
 	this.request.Method = "DELETE"
 	return this
 }
@@ -190,7 +190,7 @@ func (this *CurlStruct) Send() *CurlResponse {
 	if len(this.request.Query) > 0 {
 		query := url.Values{}
 		for key, val := range this.request.Query {
-			query.Add(key, val)
+			query.Add(key, cast.ToString(val))
 		}
 		this.request.Url += "?" + query.Encode()
 	}
@@ -200,19 +200,19 @@ func (this *CurlStruct) Send() *CurlResponse {
 	contentType, ok := this.request.Headers["Content-Type"]
 	if ok {
 		switch {
-		case strings.Contains(contentType, "application/json"):
+		case strings.Contains(cast.ToString(contentType), "application/json"):
 			buffer, _ = json.Marshal(this.request.Body)
-		case strings.Contains(contentType, "application/x-www-form-urlencoded"):
+		case strings.Contains(cast.ToString(contentType), "application/x-www-form-urlencoded"):
 			form := url.Values{}
 			for key, val := range this.request.Data {
-				form.Add(key, val)
+				form.Add(key, cast.ToString(val))
 			}
 			buffer = []byte(form.Encode())
-		case strings.Contains(contentType, "multipart/form-data"):
+		case strings.Contains(cast.ToString(contentType), "multipart/form-data"):
 			body := &bytes.Buffer{}
 			writer := multipart.NewWriter(body)
 			for key, val := range this.request.Data {
-				err := writer.WriteField(key, val)
+				err := writer.WriteField(key, cast.ToString(val))
 				if err != nil {
 					this.response.Error = err
 					return this.response
@@ -262,7 +262,7 @@ func (this *CurlStruct) Send() *CurlResponse {
 	}
 
 	for key, val := range this.request.Headers {
-		req.Header.Set(key, val)
+		req.Header.Set(key, cast.ToString(val))
 	}
 
 	// Make HTTP request
@@ -287,12 +287,12 @@ func (this *CurlStruct) Send() *CurlResponse {
 	}
 
 	// Set response
-	this.response.Byte    = body
-	this.response.Body    = &response.Body
-	this.response.Text    = string(body)
+	this.response.Byte = body
+	this.response.Body = &response.Body
+	this.response.Text = string(body)
 	this.response.Headers = &response.Header
 	this.response.Request = response.Request
-	this.response.Json    = cast.ToStringMap(JsonDecode(string(body)))
+	this.response.Json = cast.ToStringMap(JsonDecode(string(body)))
 	this.response.StatusCode = response.StatusCode
 
 	return this.response
@@ -324,4 +324,4 @@ func Redirect(url any) (result string) {
 	result = item.Request.URL.String()
 
 	return
-}
\ No newline at end of file
+}
diff --git a/utils/is.go b/utils/is.go
index 38a9f3c..b750c20 100644
--- a/utils/is.go
+++ b/utils/is.go
@@ -8,16 +8,25 @@ import (
 
 // IsEmail - 是否为邮箱
 func IsEmail(email any) (ok bool) {
+	if email == nil {
+		return false
+	}
 	return regexp.MustCompile(`\w[-\w.+]*@([A-Za-z0-9][-A-Za-z0-9]+\.)+[A-Za-z]{2,14}`).MatchString(cast.ToString(email))
 }
 
 // IsPhone - 是否为手机号
 func IsPhone(phone any) (ok bool) {
+	if phone == nil {
+		return false
+	}
 	return regexp.MustCompile(`^1[3456789]\d{9}$`).MatchString(cast.ToString(phone))
 }
 
 // IsMobile - 是否为手机号
 func IsMobile(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^1[3456789]\d{9}$`).MatchString(cast.ToString(value))
 }
 
@@ -29,6 +38,9 @@ func IsEmpty(value any) (ok bool) {
 
 // IsDomain - 是否为域名
 func IsDomain(domain any) (ok bool) {
+	if domain == nil {
+		return false
+	}
 	return regexp.MustCompile(`^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+`).MatchString(cast.ToString(domain))
 }
 
@@ -44,156 +56,245 @@ func IsFalse(value any) (ok bool) {
 
 // IsNumber - 是否为数字
 func IsNumber(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[0-9]+$`).MatchString(cast.ToString(value))
 }
 
 // IsFloat - 是否为浮点数
 func IsFloat(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[0-9]+(.[0-9]+)?$`).MatchString(cast.ToString(value))
 }
 
 // IsBool - 是否为bool
 func IsBool(value any) (ok bool) {
-	_, check := value.(bool)
-	return check
+	return cast.ToBool(value)
 }
 
 // IsAccepted - 验证某个字段是否为为 yes, on, 或是 1
 func IsAccepted(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^(yes|on|1)$`).MatchString(cast.ToString(value))
 }
 
 // IsDate - 是否为日期类型
 func IsDate(date any) (ok bool) {
+	if date == nil {
+		return false
+	}
 	return regexp.MustCompile(`^\d{4}-\d{1,2}-\d{1,2}$`).MatchString(cast.ToString(date))
 }
 
 // IsAlpha - 只能包含字母
 func IsAlpha(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[a-zA-Z]+$`).MatchString(cast.ToString(value))
 }
 
 // IsAlphaNum - 只能包含字母和数字
 func IsAlphaNum(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[a-zA-Z0-9]+$`).MatchString(cast.ToString(value))
 }
 
 // IsAlphaDash - 只能包含字母、数字和下划线_及破折号-
 func IsAlphaDash(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[a-zA-Z0-9_-]+$`).MatchString(cast.ToString(value))
 }
 
 // IsChs - 是否为汉字
 func IsChs(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x{4e00}-\x{9fa5}]+$`).MatchString(cast.ToString(value))
 }
 
 // IsChsAlpha - 只能是汉字、字母
 func IsChsAlpha(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x{4e00}-\x{9fa5}a-zA-Z]+$`).MatchString(cast.ToString(value))
 }
 
 // IsChsAlphaNum - 只能是汉字、字母和数字
 func IsChsAlphaNum(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x{4e00}-\x{9fa5}a-zA-Z0-9]+$`).MatchString(cast.ToString(value))
 }
 
 // IsChsDash - 只能是汉字、字母、数字和下划线_及破折号-
 func IsChsDash(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x{4e00}-\x{9fa5}a-zA-Z0-9_-]+$`).MatchString(cast.ToString(value))
 }
 
 // IsCntrl - 是否为控制字符 - （换行、缩进、空格）
 func IsCntrl(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x00-\x1F\x7F]+$`).MatchString(cast.ToString(value))
 }
 
 // IsGraph - 是否为可见字符 - （除空格外的所有可打印字符）
 func IsGraph(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\x21-\x7E]+$`).MatchString(cast.ToString(value))
 }
 
 // IsLower - 是否为小写字母
 func IsLower(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[a-z]+$`).MatchString(cast.ToString(value))
 }
 
 // IsUpper - 是否为大写字母
 func IsUpper(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[A-Z]+$`).MatchString(cast.ToString(value))
 }
 
 // IsSpace - 是否为空白字符 - （空格、制表符、换页符等）
 func IsSpace(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\s]+$`).MatchString(cast.ToString(value))
 }
 
 // IsXdigit - 是否为十六进制字符 - （0-9、a-f、A-F）
 func IsXdigit(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\da-fA-F]+$`).MatchString(cast.ToString(value))
 }
 
 // IsActiveUrl - 是否为有效的域名或者IP
 func IsActiveUrl(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^([a-z0-9-]+\.)+[a-z]{2,6}$`).MatchString(cast.ToString(value))
 }
 
 // IsIp - 是否为IP
 func IsIp(ip any) (ok bool) {
+	if ip == nil {
+		return false
+	}
 	return regexp.MustCompile(`(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)`).MatchString(cast.ToString(ip))
 }
 
 // IsUrl - 是否为URL
 func IsUrl(url any) (ok bool) {
+	if url == nil {
+		return false
+	}
 	return regexp.MustCompile(`^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+`).MatchString(cast.ToString(url))
 }
 
 // IsIdCard - 是否为有效的身份证号码
 func IsIdCard(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)`).MatchString(cast.ToString(value))
 }
 
 // IsMacAddr - 是否为有效的MAC地址
 func IsMacAddr(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^([A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}$`).MatchString(cast.ToString(value))
 }
 
 // IsZip - 是否为有效的邮政编码
 func IsZip(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[1-9]\d{5}$`).MatchString(cast.ToString(value))
 }
 
 // IsString - 是否为字符串
 func IsString(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.String
 }
 
 // IsSlice - 是否为切片
 func IsSlice(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.Slice
 }
 
 // IsArray - 是否为数组
 func IsArray(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.Array
 }
 
 // IsJsonString - 是否为json字符串
 func IsJsonString(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return regexp.MustCompile(`^[\{\[].*[\}\]]$`).MatchString(cast.ToString(value))
 }
 
 // IsMap - 是否为map
 func IsMap(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.Map
 }
 
 // IsSliceSlice - 是否为二维切片
 func IsSliceSlice(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.Slice && reflect.TypeOf(value).Elem().Kind() == reflect.Slice
 }
 
 // IsMapAny - 是否为[]map[string]any
 func IsMapAny(value any) (ok bool) {
+	if value == nil {
+		return false
+	}
 	return reflect.TypeOf(value).Kind() == reflect.Map && reflect.TypeOf(value).Elem().Kind() == reflect.Interface
-}
\ No newline at end of file
+}
diff --git a/utils/validate.go b/utils/validate.go
index 75467e0..568c501 100644
--- a/utils/validate.go
+++ b/utils/validate.go
@@ -132,7 +132,7 @@ func ValidateRules(name string, value any, rule string, message map[string]strin
 	rules := strings.Split(rule, ",")
 
 	// 判断 rules 是否包含 required
-	if !InArray("required", cast.ToSlice(rules)) {
+	if !InArray("required", cast.ToStringSlice(rules)) {
 		// 判断 value 是否为空
 		if IsEmpty(value) {
 			// 结束本次循环，进入下一次循环