diff --git a/common/constants.go b/common/constants.go
index 93d35b77..f704fc98 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -96,7 +96,8 @@ var SyncFrequency = GetOrDefault("SYNC_FREQUENCY", 10*60) // unit is second
 var BatchUpdateEnabled = false
 var BatchUpdateInterval = GetOrDefault("BATCH_UPDATE_INTERVAL", 5)
 
-var RelayTimeout = GetOrDefault("RELAY_TIMEOUT", 0) // unit is second
+var RelayTimeout = GetOrDefault("RELAY_TIMEOUT", 600)   // unit is second
+var ConnectTimeout = GetOrDefault("CONNECT_TIMEOUT", 5) // unit is second
 
 const (
 	RequestIdKey = "X-Oneapi-Request-Id"
diff --git a/common/requester/http_client.go b/common/requester/http_client.go
index 469f2459..d049d3c2 100644
--- a/common/requester/http_client.go
+++ b/common/requester/http_client.go
@@ -1,70 +1,80 @@
 package requester
 
 import (
+	"context"
 	"fmt"
+	"net"
 	"net/http"
 	"net/url"
 	"one-api/common"
-	"sync"
 	"time"
 
 	"golang.org/x/net/proxy"
 )
 
-type HTTPClient struct{}
+type ContextKey string
 
-var clientPool = &sync.Pool{
-	New: func() interface{} {
-		return &http.Client{}
-	},
-}
+const ProxyHTTPAddrKey ContextKey = "proxyHttpAddr"
+const ProxySock5AddrKey ContextKey = "proxySock5Addr"
 
-func (h *HTTPClient) getClientFromPool(proxyAddr string) *http.Client {
-	client := clientPool.Get().(*http.Client)
-
-	if common.RelayTimeout > 0 {
-		client.Timeout = time.Duration(common.RelayTimeout) * time.Second
+func proxyFunc(req *http.Request) (*url.URL, error) {
+	proxyAddr := req.Context().Value(ProxyHTTPAddrKey)
+	if proxyAddr == nil {
+		return nil, nil
 	}
 
-	if proxyAddr != "" {
-		err := h.setProxy(client, proxyAddr)
-		if err != nil {
-			common.SysError(err.Error())
-			return client
-		}
-	}
-
-	return client
-}
-
-func (h *HTTPClient) returnClientToPool(client *http.Client) {
-	// 清除代理设置
-	client.Transport = nil
-	clientPool.Put(client)
-}
-
-func (h *HTTPClient) setProxy(client *http.Client, proxyAddr string) error {
-	proxyURL, err := url.Parse(proxyAddr)
+	proxyURL, err := url.Parse(proxyAddr.(string))
 	if err != nil {
-		return fmt.Errorf("error parsing proxy address: %w", err)
+		return nil, fmt.Errorf("error parsing proxy address: %w", err)
 	}
 
 	switch proxyURL.Scheme {
 	case "http", "https":
-		client.Transport = &http.Transport{
-			Proxy: http.ProxyURL(proxyURL),
-		}
-	case "socks5":
-		dialer, err := proxy.SOCKS5("tcp", proxyURL.Host, nil, proxy.Direct)
-		if err != nil {
-			return fmt.Errorf("error creating socks5 dialer: %w", err)
-		}
-		client.Transport = &http.Transport{
-			Dial: dialer.Dial,
-		}
-	default:
-		return fmt.Errorf("unsupported proxy scheme: %s", proxyURL.Scheme)
+		return proxyURL, nil
 	}
 
-	return nil
+	return nil, fmt.Errorf("unsupported proxy scheme: %s", proxyURL.Scheme)
+}
+
+func socks5ProxyFunc(ctx context.Context, network, addr string) (net.Conn, error) {
+	// 设置TCP超时
+	dialer := &net.Dialer{
+		Timeout:   time.Duration(common.ConnectTimeout) * time.Second,
+		KeepAlive: 30 * time.Second,
+	}
+
+	// 从上下文中获取代理地址
+	proxyAddr, ok := ctx.Value(ProxySock5AddrKey).(string)
+	if !ok {
+		return dialer.DialContext(ctx, network, addr)
+	}
+
+	proxyURL, err := url.Parse(proxyAddr)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing proxy address: %w", err)
+	}
+
+	proxyDialer, err := proxy.SOCKS5("tcp", proxyURL.Host, nil, proxy.Direct)
+	if err != nil {
+		return nil, fmt.Errorf("error creating socks5 dialer: %w", err)
+	}
+
+	return proxyDialer.Dial(network, addr)
+}
+
+var HTTPClient *http.Client
+
+func init() {
+	trans := &http.Transport{
+		DialContext: socks5ProxyFunc,
+		Proxy:       proxyFunc,
+	}
+
+	HTTPClient = &http.Client{
+		Transport: trans,
+	}
+
+	if common.RelayTimeout != 0 {
+		HTTPClient.Timeout = time.Duration(common.RelayTimeout) * time.Second
+	}
 }
diff --git a/common/requester/http_requester.go b/common/requester/http_requester.go
index 8f7e5dd0..17d870a9 100644
--- a/common/requester/http_requester.go
+++ b/common/requester/http_requester.go
@@ -3,6 +3,7 @@ package requester
 import (
 	"bufio"
 	"bytes"
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -18,7 +19,6 @@ import (
 type HttpErrorHandler func(*http.Response) *types.OpenAIError
 
 type HTTPRequester struct {
-	HTTPClient        HTTPClient
 	requestBuilder    RequestBuilder
 	CreateFormBuilder func(io.Writer) FormBuilder
 	ErrorHandler      HttpErrorHandler
@@ -31,7 +31,6 @@ type HTTPRequester struct {
 // 如果 errorHandler 为 nil，那么会使用一个默认的错误处理函数。
 func NewHTTPRequester(proxyAddr string, errorHandler HttpErrorHandler) *HTTPRequester {
 	return &HTTPRequester{
-		HTTPClient:     HTTPClient{},
 		requestBuilder: NewRequestBuilder(),
 		CreateFormBuilder: func(body io.Writer) FormBuilder {
 			return NewFormBuilder(body)
@@ -48,6 +47,21 @@ type requestOptions struct {
 
 type requestOption func(*requestOptions)
 
+func (r *HTTPRequester) getContext() context.Context {
+	if r.proxyAddr == "" {
+		return context.Background()
+	}
+
+	// 如果是以 socks5:// 开头的地址，那么使用 socks5 代理
+	if strings.HasPrefix(r.proxyAddr, "socks5://") {
+		return context.WithValue(context.Background(), ProxySock5AddrKey, r.proxyAddr)
+	}
+
+	// 否则使用 http 代理
+	return context.WithValue(context.Background(), ProxyHTTPAddrKey, r.proxyAddr)
+
+}
+
 // 创建请求
 func (r *HTTPRequester) NewRequest(method, url string, setters ...requestOption) (*http.Request, error) {
 	args := &requestOptions{
@@ -57,7 +71,7 @@ func (r *HTTPRequester) NewRequest(method, url string, setters ...requestOption)
 	for _, setter := range setters {
 		setter(args)
 	}
-	req, err := r.requestBuilder.Build(method, url, args.body, args.header)
+	req, err := r.requestBuilder.Build(r.getContext(), method, url, args.body, args.header)
 	if err != nil {
 		return nil, err
 	}
@@ -67,9 +81,7 @@ func (r *HTTPRequester) NewRequest(method, url string, setters ...requestOption)
 
 // 发送请求
 func (r *HTTPRequester) SendRequest(req *http.Request, response any, outputResp bool) (*http.Response, *types.OpenAIErrorWithStatusCode) {
-	client := r.HTTPClient.getClientFromPool(r.proxyAddr)
-	resp, err := client.Do(req)
-	r.HTTPClient.returnClientToPool(client)
+	resp, err := HTTPClient.Do(req)
 	if err != nil {
 		return nil, common.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError)
 	}
@@ -105,9 +117,7 @@ func (r *HTTPRequester) SendRequest(req *http.Request, response any, outputResp
 // 发送请求 RAW
 func (r *HTTPRequester) SendRequestRaw(req *http.Request) (*http.Response, *types.OpenAIErrorWithStatusCode) {
 	// 发送请求
-	client := r.HTTPClient.getClientFromPool(r.proxyAddr)
-	resp, err := client.Do(req)
-	r.HTTPClient.returnClientToPool(client)
+	resp, err := HTTPClient.Do(req)
 	if err != nil {
 		return nil, common.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError)
 	}
diff --git a/common/requester/request_builder.go b/common/requester/request_builder.go
index 88cebe1a..a7f4ee83 100644
--- a/common/requester/request_builder.go
+++ b/common/requester/request_builder.go
@@ -2,13 +2,14 @@ package requester
 
 import (
 	"bytes"
+	"context"
 	"io"
 	"net/http"
 	"one-api/common"
 )
 
 type RequestBuilder interface {
-	Build(method, url string, body any, header http.Header) (*http.Request, error)
+	Build(ctx context.Context, method, url string, body any, header http.Header) (*http.Request, error)
 }
 
 type HTTPRequestBuilder struct {
@@ -22,6 +23,7 @@ func NewRequestBuilder() *HTTPRequestBuilder {
 }
 
 func (b *HTTPRequestBuilder) Build(
+	ctx context.Context,
 	method string,
 	url string,
 	body any,
@@ -40,7 +42,7 @@ func (b *HTTPRequestBuilder) Build(
 			bodyReader = bytes.NewBuffer(reqBytes)
 		}
 	}
-	req, err = http.NewRequest(method, url, bodyReader)
+	req, err = http.NewRequestWithContext(ctx, method, url, bodyReader)
 	if err != nil {
 		return
 	}
diff --git a/providers/zhipu/chat.go b/providers/zhipu/chat.go
index 7ae0fa21..687ffe7c 100644
--- a/providers/zhipu/chat.go
+++ b/providers/zhipu/chat.go
@@ -120,6 +120,34 @@ func convertFromChatOpenai(request *types.ChatCompletionRequest) *ZhipuRequest {
 		ToolChoice:  request.ToolChoice,
 	}
 
+	// 如果有图片的话，并且是base64编码的图片，需要把前缀去掉
+	if zhipuRequest.Model == "glm-4v" {
+		for i := range zhipuRequest.Messages {
+			contentList, ok := zhipuRequest.Messages[i].Content.([]any)
+			if !ok {
+				continue
+			}
+			for j := range contentList {
+				contentMap, ok := contentList[j].(map[string]any)
+				if !ok || contentMap["type"] != "image_url" {
+					continue
+				}
+				imageUrl, ok := contentMap["image_url"].(map[string]any)
+				if !ok {
+					continue
+				}
+				url, ok := imageUrl["url"].(string)
+				if !ok || !strings.HasPrefix(url, "data:image/") {
+					continue
+				}
+				imageUrl["url"] = strings.Split(url, ",")[1]
+				contentMap["image_url"] = imageUrl
+				contentList[j] = contentMap
+			}
+			zhipuRequest.Messages[i].Content = contentList
+		}
+	}
+
 	if request.Functions != nil {
 		zhipuRequest.Tools = make([]ZhipuTool, 0, len(request.Functions))
 		for _, function := range request.Functions {