diff --git a/drivers/lanzou/help.go b/drivers/lanzou/help.go
index 68a2b4c6..b019ea0d 100644
--- a/drivers/lanzou/help.go
+++ b/drivers/lanzou/help.go
@@ -146,16 +146,16 @@ func IsNumber(str string) bool {
 
 var findFromReg = regexp.MustCompile(`data : '(.+?)'`) // 查找from字符串
 
-// 解析html中的from
+// 解析html中的form
 func htmlFormToMap(html string) (map[string]string, error) {
-	froms := findFromReg.FindStringSubmatch(html)
-	if len(froms) != 2 {
+	forms := findFromReg.FindStringSubmatch(html)
+	if len(forms) != 2 {
 		return nil, fmt.Errorf("not find file sgin")
 	}
-	return fromToMap(froms[1]), nil
+	return formToMap(forms[1]), nil
 }
 
-func fromToMap(from string) map[string]string {
+func formToMap(from string) map[string]string {
 	var param = make(map[string]string)
 	for _, kv := range strings.Split(from, "&") {
 		kv := strings.SplitN(kv, "=", 2)[:2]
diff --git a/drivers/webdav/odrvcookie/fetch.go b/drivers/webdav/odrvcookie/fetch.go
index 142e934b..93fa87ae 100644
--- a/drivers/webdav/odrvcookie/fetch.go
+++ b/drivers/webdav/odrvcookie/fetch.go
@@ -119,7 +119,7 @@ func (ca *CookieAuth) getSPCookie(conf *SuccessResponse) (CookieResponse, error)
 		Jar: jar,
 	}
 
-	// Send the previously aquired Token as a Post parameter
+	// Send the previously acquired Token as a Post parameter
 	if _, err = client.Post(u.String(), "text/xml", strings.NewReader(conf.Succ.Token)); err != nil {
 		return CookieResponse{}, err
 	}
diff --git a/pkg/aria2/rpc/README.md b/pkg/aria2/rpc/README.md
index 076349bd..a7191f5f 100644
--- a/pkg/aria2/rpc/README.md
+++ b/pkg/aria2/rpc/README.md
@@ -191,7 +191,7 @@ func (id *Client) PauseAll() (g string, err error)
 `aria2.pauseAll()` This method is equal to calling `aria2.pause()` for every active/waiting download. This methods returns OK for success.
 
 ```
-func (id *Client) PurgeDowloadResult() (g string, err error)
+func (id *Client) PurgeDownloadResult() (g string, err error)
 ```
 
 `aria2.purgeDownloadResult()` This method purges completed/error/removed downloads to free memory. This method returns OK.
@@ -254,4 +254,4 @@ func (id *Client) Unpause(gid string) (g string, err error)
 func (id *Client) UnpauseAll() (g string, err error)
 ```
 
-`aria2.unpauseAll()` This method is equal to calling `aria2.unpause()` for every active/waiting download. This methods returns OK for success.
\ No newline at end of file
+`aria2.unpauseAll()` This method is equal to calling `aria2.unpause()` for every active/waiting download. This methods returns OK for success.
diff --git a/pkg/aria2/rpc/call.go b/pkg/aria2/rpc/call.go
index bd7d1f14..a2af8461 100644
--- a/pkg/aria2/rpc/call.go
+++ b/pkg/aria2/rpc/call.go
@@ -28,7 +28,7 @@ type httpCaller struct {
 	once   sync.Once
 }
 
-func newHTTPCaller(ctx context.Context, u *url.URL, timeout time.Duration, notifer Notifier) *httpCaller {
+func newHTTPCaller(ctx context.Context, u *url.URL, timeout time.Duration, notifier Notifier) *httpCaller {
 	c := &http.Client{
 		Transport: &http.Transport{
 			MaxIdleConnsPerHost: 1,
@@ -45,8 +45,8 @@ func newHTTPCaller(ctx context.Context, u *url.URL, timeout time.Duration, notif
 	var wg sync.WaitGroup
 	ctx, cancel := context.WithCancel(ctx)
 	h := &httpCaller{uri: u.String(), c: c, cancel: cancel, wg: &wg}
-	if notifer != nil {
-		h.setNotifier(ctx, *u, notifer)
+	if notifier != nil {
+		h.setNotifier(ctx, *u, notifier)
 	}
 	return h
 }
@@ -59,7 +59,7 @@ func (h *httpCaller) Close() (err error) {
 	return
 }
 
-func (h *httpCaller) setNotifier(ctx context.Context, u url.URL, notifer Notifier) (err error) {
+func (h *httpCaller) setNotifier(ctx context.Context, u url.URL, notifier Notifier) (err error) {
 	u.Scheme = "ws"
 	conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
 	if err != nil {
@@ -101,17 +101,17 @@ func (h *httpCaller) setNotifier(ctx context.Context, u url.URL, notifer Notifie
 			}
 			switch request.Method {
 			case "aria2.onDownloadStart":
-				notifer.OnDownloadStart(request.Params)
+				notifier.OnDownloadStart(request.Params)
 			case "aria2.onDownloadPause":
-				notifer.OnDownloadPause(request.Params)
+				notifier.OnDownloadPause(request.Params)
 			case "aria2.onDownloadStop":
-				notifer.OnDownloadStop(request.Params)
+				notifier.OnDownloadStop(request.Params)
 			case "aria2.onDownloadComplete":
-				notifer.OnDownloadComplete(request.Params)
+				notifier.OnDownloadComplete(request.Params)
 			case "aria2.onDownloadError":
-				notifer.OnDownloadError(request.Params)
+				notifier.OnDownloadError(request.Params)
 			case "aria2.onBtDownloadComplete":
-				notifer.OnBtDownloadComplete(request.Params)
+				notifier.OnBtDownloadComplete(request.Params)
 			default:
 				log.Printf("unexpected notification: %s", request.Method)
 			}
diff --git a/pkg/gowebdav/utils_test.go b/pkg/gowebdav/utils_test.go
index 04410fd0..db7b0229 100644
--- a/pkg/gowebdav/utils_test.go
+++ b/pkg/gowebdav/utils_test.go
@@ -17,7 +17,7 @@ func TestJoin(t *testing.T) {
 func eq(t *testing.T, expected string, s0 string, s1 string) {
 	s := Join(s0, s1)
 	if s != expected {
-		t.Error("For", "'"+s0+"','"+s1+"'", "expeted", "'"+expected+"'", "got", "'"+s+"'")
+		t.Error("For", "'"+s0+"','"+s1+"'", "expected", "'"+expected+"'", "got", "'"+s+"'")
 	}
 }
 
diff --git a/pkg/utils/file.go b/pkg/utils/file.go
index dbe64a02..cb580ba7 100644
--- a/pkg/utils/file.go
+++ b/pkg/utils/file.go
@@ -88,7 +88,7 @@ func CreateNestedFile(path string) (*os.File, error) {
 	if !Exists(basePath) {
 		err := os.MkdirAll(basePath, 0700)
 		if err != nil {
-			log.Errorf("can't create foler，%s", err)
+			log.Errorf("can't create folder, %s", err)
 			return nil, err
 		}
 	}