diff --git a/pkg/fetcher/fetcher.go b/pkg/fetcher/fetcher.go
index 81e7661..27cbcc7 100644
--- a/pkg/fetcher/fetcher.go
+++ b/pkg/fetcher/fetcher.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"errors"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"log"
@@ -18,7 +19,10 @@ import (
 // Get get 请求
 func Get(url string) ([]byte, error) {
 	client := &http.Client{}
-	req, _ := http.NewRequest("GET", url, nil)
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return nil, fmt.Errorf("get new request err: %v", err)
+	}
 
 	resp, err := client.Do(req)
 	if err != nil {
@@ -40,12 +44,12 @@ func GetJson(url string, parameter []byte, timeout int) ([]byte, error) {
 	byteParameter := bytes.NewBuffer(parameter)
 	req, err := http.NewRequest("GET", url, byteParameter)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("get json new request err: %v", err)
 	}
 
 	resp, err := client.Do(req)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("get json request do err: %v", err)
 	}
 	defer resp.Body.Close()
 
@@ -61,16 +65,27 @@ func GetJson(url string, parameter []byte, timeout int) ([]byte, error) {
 func PostJson(url, parameter string, timeout int) ([]byte, error) {
 	client := &http.Client{Timeout: time.Second * time.Duration(timeout)}
 	byteParameter := bytes.NewBuffer([]byte(parameter))
-	request, _ := http.NewRequest("POST", url, byteParameter)
+	request, err := http.NewRequest("POST", url, byteParameter)
+	if err != nil {
+		return nil, fmt.Errorf("post json new request err: %v", err)
+	}
+
 	request.Header.Set("Content-type", "application/json")
-	response, _ := client.Do(request)
+	response, err := client.Do(request)
+	if err != nil {
+		return nil, fmt.Errorf("post json request do err: %v", err)
+	}
+	defer response.Body.Close()
+
 	if response.StatusCode != 200 {
 		return nil, errors.New("网络请求失败")
 	}
+
 	all, err := io.ReadAll(response.Body)
 	if err != nil {
 		return nil, errors.New("读取网络内容失败")
 	}
+
 	return all, nil
 }
 
@@ -78,16 +93,27 @@ func PostJson(url, parameter string, timeout int) ([]byte, error) {
 func PostString(url, parameter string, timeout int) ([]byte, error) {
 	client := &http.Client{Timeout: time.Second * time.Duration(timeout)}
 	byteParameter := bytes.NewBuffer([]byte(parameter))
-	request, _ := http.NewRequest("POST", url, byteParameter)
+	request, err := http.NewRequest("POST", url, byteParameter)
+	if err != nil {
+		return nil, fmt.Errorf("post string new request err: %v", err)
+	}
+
 	request.Header.Set("Content-type", "application/x-www-form-urlencoded")
-	response, _ := client.Do(request)
+	response, err := client.Do(request)
+	if err != nil {
+		return nil, fmt.Errorf("post string new request err: %v", err)
+	}
+	defer response.Body.Close()
+
 	if response.StatusCode != 200 {
 		return nil, errors.New("网络请求失败")
 	}
+
 	all, err := ioutil.ReadAll(response.Body)
 	if err != nil {
 		return nil, errors.New("读取网络内容失败")
 	}
+	
 	return all, nil
 }