diff --git a/README.md b/README.md
index 23f2ad3..c22a759 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ you can configure specific extractors options with `ext-cfg.yaml` file. document
 # proxying
 there are two types of proxying available: http and edge.
 - **http proxy**: this is a standard http proxy that can be used to route requests through a proxy server. you can set the `HTTP_PROXY` and `HTTPS_PROXY` environment variables to use this feature. (SOCKS5 is supported too)
-- **edge proxy**: this is a custom proxy that is used to route requests through a specific url. you can set the `EDGE_PROXY_URL` environment variable to use this feature. this is useful for routing requests through a specific server or service. however, this feature is not totally implemented yet.
+- **edge proxy**: this is a custom proxy that is used to route requests through a specific url. currenrly, you can only set this proxy with `ext-cfg.yaml` file. this is useful for routing requests through a specific server or service. however, this feature is not totally implemented yet.
 
 **note:** by settings `NO_PROXY` environment variable, you can specify domains that should not be proxied.
 
diff --git a/ext/instagram/main.go b/ext/instagram/main.go
index 3c2a7fd..21755bb 100644
--- a/ext/instagram/main.go
+++ b/ext/instagram/main.go
@@ -74,22 +74,12 @@ var ShareURLExtractor = &models.Extractor{
 
 	Run: func(ctx *models.DownloadContext) (*models.ExtractorResponse, error) {
 		client := util.GetHTTPClient(ctx.Extractor.CodeName)
-		req, err := http.NewRequest(
-			http.MethodGet,
-			ctx.MatchedContentURL,
-			nil,
-		)
+		redirectURL, err := util.GetLocationURL(client, ctx.MatchedContentURL, "")
 		if err != nil {
-			return nil, fmt.Errorf("failed to create request: %w", err)
+			return nil, fmt.Errorf("failed to get url location: %w", err)
 		}
-		resp, err := client.Do(req)
-		if err != nil {
-			return nil, fmt.Errorf("failed to send request: %w", err)
-		}
-		defer resp.Body.Close()
-
 		return &models.ExtractorResponse{
-			URL: resp.Request.URL.String(),
+			URL: redirectURL,
 		}, nil
 	},
 }
diff --git a/ext/pinterest/main.go b/ext/pinterest/main.go
index e496632..6d0b55b 100644
--- a/ext/pinterest/main.go
+++ b/ext/pinterest/main.go
@@ -46,8 +46,9 @@ var ShortExtractor = &models.Extractor{
 	IsRedirect: true,
 
 	Run: func(ctx *models.DownloadContext) (*models.ExtractorResponse, error) {
+		client := util.GetHTTPClient(ctx.Extractor.CodeName)
 		shortURL := fmt.Sprintf(shortenerAPIFormat, ctx.MatchedContentID)
-		location, err := util.GetLocationURL(shortURL, "")
+		location, err := util.GetLocationURL(client, shortURL, "")
 		if err != nil {
 			return nil, fmt.Errorf("failed to get real url: %w", err)
 		}
diff --git a/ext/tiktok/main.go b/ext/tiktok/main.go
index b934f56..682f42b 100644
--- a/ext/tiktok/main.go
+++ b/ext/tiktok/main.go
@@ -46,12 +46,13 @@ var VMExtractor = &models.Extractor{
 	IsRedirect: true,
 
 	Run: func(ctx *models.DownloadContext) (*models.ExtractorResponse, error) {
-		location, err := util.GetLocationURL(ctx.MatchedContentURL, "")
+		client := util.GetHTTPClient(ctx.Extractor.CodeName)
+		redirectURL, err := util.GetLocationURL(client, ctx.MatchedContentURL, "")
 		if err != nil {
 			return nil, fmt.Errorf("failed to get url location: %w", err)
 		}
 		return &models.ExtractorResponse{
-			URL: location,
+			URL: redirectURL,
 		}, nil
 	},
 }
diff --git a/util/misc.go b/util/misc.go
index d6b2110..caa67ab 100644
--- a/util/misc.go
+++ b/util/misc.go
@@ -2,6 +2,7 @@ package util
 
 import (
 	"fmt"
+	"govd/models"
 	"net/http"
 	"os"
 	"os/exec"
@@ -18,9 +19,13 @@ import (
 var cookiesCache = make(map[string][]*http.Cookie)
 
 func GetLocationURL(
+	client models.HTTPClient,
 	url string,
 	userAgent string,
 ) (string, error) {
+	if client == nil {
+		client = GetDefaultHTTPClient()
+	}
 	req, err := http.NewRequest(http.MethodGet, url, nil)
 	if err != nil {
 		return "", fmt.Errorf("failed to create request: %w", err)
@@ -29,8 +34,7 @@ func GetLocationURL(
 		userAgent = ChromeUA
 	}
 	req.Header.Set("User-Agent", userAgent)
-	session := GetDefaultHTTPClient()
-	resp, err := session.Do(req)
+	resp, err := client.Do(req)
 	if err != nil {
 		return "", fmt.Errorf("failed to send request: %w", err)
 	}