diff --git a/internal/nodes/http_request_host_redirect.go b/internal/nodes/http_request_host_redirect.go
index 4850569..af745bf 100644
--- a/internal/nodes/http_request_host_redirect.go
+++ b/internal/nodes/http_request_host_redirect.go
@@ -25,6 +25,16 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 		if !u.MatchRequest(this.Format) {
 			continue
 		}
+
+		var status = u.Status
+		if status <= 0 {
+			if searchEngineRegex.MatchString(this.RawReq.UserAgent()) {
+				status = http.StatusMovedPermanently
+			} else {
+				status = http.StatusTemporaryRedirect
+			}
+		}
+
 		if len(u.Type) == 0 || u.Type == serverconfigs.HTTPHostRedirectTypeURL {
 			if u.MatchPrefix { // 匹配前缀
 				if strings.HasPrefix(fullURL, u.BeforeURL) {
@@ -38,11 +48,8 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 						return false
 					}
 
-					if u.Status <= 0 {
-						u.Status = http.StatusTemporaryRedirect
-					}
-					this.processResponseHeaders(this.writer.Header(), u.Status)
-					http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+					this.processResponseHeaders(this.writer.Header(), status)
+					http.Redirect(this.RawWriter, this.RawReq, afterURL, status)
 					return true
 				}
 			} else if u.MatchRegexp { // 正则匹配
@@ -83,11 +90,8 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 					}
 				}
 
-				if u.Status <= 0 {
-					u.Status = http.StatusTemporaryRedirect
-				}
-				this.processResponseHeaders(this.writer.Header(), u.Status)
-				http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+				this.processResponseHeaders(this.writer.Header(), status)
+				http.Redirect(this.RawWriter, this.RawReq, afterURL, status)
 				return true
 			} else { // 精准匹配
 				if fullURL == u.RealBeforeURL() {
@@ -104,11 +108,8 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 						}
 					}
 
-					if u.Status <= 0 {
-						u.Status = http.StatusTemporaryRedirect
-					}
-					this.processResponseHeaders(this.writer.Header(), u.Status)
-					http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+					this.processResponseHeaders(this.writer.Header(), status)
+					http.Redirect(this.RawWriter, this.RawReq, afterURL, status)
 					return true
 				}
 			}
@@ -142,10 +143,8 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 					// 终止匹配
 					return false
 				}
-				if u.Status <= 0 {
-					u.Status = http.StatusTemporaryRedirect
-				}
-				this.processResponseHeaders(this.writer.Header(), u.Status)
+
+				this.processResponseHeaders(this.writer.Header(), status)
 
 				// 参数
 				var qIndex = strings.Index(this.uri, "?")
@@ -153,7 +152,7 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 					afterURL += this.uri[qIndex:]
 				}
 
-				http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+				http.Redirect(this.RawWriter, this.RawReq, afterURL, status)
 				return true
 			}
 		} else if u.Type == serverconfigs.HTTPHostRedirectTypePort {
@@ -200,11 +199,9 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 					// 终止匹配
 					return false
 				}
-				if u.Status <= 0 {
-					u.Status = http.StatusTemporaryRedirect
-				}
-				this.processResponseHeaders(this.writer.Header(), u.Status)
-				http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+
+				this.processResponseHeaders(this.writer.Header(), status)
+				http.Redirect(this.RawWriter, this.RawReq, afterURL, status)
 				return true
 			}
 		}
diff --git a/internal/nodes/http_request_redirect_https.go b/internal/nodes/http_request_redirect_https.go
index 3415d85..723c1a3 100644
--- a/internal/nodes/http_request_redirect_https.go
+++ b/internal/nodes/http_request_redirect_https.go
@@ -8,7 +8,7 @@ import (
 )
 
 func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.HTTPRedirectToHTTPSConfig) (shouldBreak bool) {
-	host := this.RawReq.Host
+	var host = this.RawReq.Host
 
 	// 检查域名是否匹配
 	if !redirectToHTTPSConfig.MatchDomain(host) {
@@ -22,7 +22,7 @@ func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.
 			host = redirectToHTTPSConfig.Host
 		}
 	} else if redirectToHTTPSConfig.Port > 0 {
-		lastIndex := strings.LastIndex(host, ":")
+		var lastIndex = strings.LastIndex(host, ":")
 		if lastIndex > 0 {
 			host = host[:lastIndex]
 		}
@@ -30,18 +30,18 @@ func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.
 			host = host + ":" + strconv.Itoa(redirectToHTTPSConfig.Port)
 		}
 	} else {
-		lastIndex := strings.LastIndex(host, ":")
+		var lastIndex = strings.LastIndex(host, ":")
 		if lastIndex > 0 {
 			host = host[:lastIndex]
 		}
 	}
 
-	statusCode := http.StatusMovedPermanently
+	var statusCode = http.StatusMovedPermanently
 	if redirectToHTTPSConfig.Status > 0 {
 		statusCode = redirectToHTTPSConfig.Status
 	}
 
-	newURL := "https://" + host + this.RawReq.RequestURI
+	var newURL = "https://" + host + this.RawReq.RequestURI
 	this.processResponseHeaders(this.writer.Header(), statusCode)
 	http.Redirect(this.writer, this.RawReq, newURL, statusCode)
 
diff --git a/internal/nodes/http_request_utils.go b/internal/nodes/http_request_utils.go
index 4c2b874..555d663 100644
--- a/internal/nodes/http_request_utils.go
+++ b/internal/nodes/http_request_utils.go
@@ -15,7 +15,11 @@ import (
 	"sync/atomic"
 )
 
-// 其中的每个括号里的内容都在被引用，不能轻易修改
+// 搜索引擎和爬虫正则
+var searchEngineRegex = regexp.MustCompile(`(?i)(60spider|adldxbot|adsbot-google|applebot|admantx|alexa|baidu|bingbot|bingpreview|facebookexternalhit|googlebot|proximic|slurp|sogou|twitterbot|yandex)`)
+var spiderRegexp = regexp.MustCompile(`(?i)(python|pycurl|http-client|httpclient|apachebench|nethttp|http_request|java|perl|ruby|scrapy|php|rust)`)
+
+// 内容范围正则，其中的每个括号里的内容都在被引用，不能轻易修改
 var contentRangeRegexp = regexp.MustCompile(`^bytes (\d+)-(\d+)/(\d+|\*)`)
 
 // 分解Range