diff --git a/encoding/gjson/gjson_api.go b/encoding/gjson/gjson_api.go
index 13b455bcc..7321b7738 100644
--- a/encoding/gjson/gjson_api.go
+++ b/encoding/gjson/gjson_api.go
@@ -274,24 +274,6 @@ func (j *Json) Append(pattern string, value interface{}) error {
 	return fmt.Errorf("invalid variable type of %s", pattern)
 }
 
-// GetToVar gets the value by specified <pattern>,
-// and converts it to specified golang variable <v>.
-// The <pointer> should be a pointer type.
-// Deprecated.
-func (j *Json) GetToVar(pattern string, pointer interface{}) error {
-	r := j.Get(pattern)
-	if r != nil {
-		if t, err := Encode(r); err == nil {
-			return DecodeTo(t, pointer)
-		} else {
-			return err
-		}
-	} else {
-		pointer = nil
-	}
-	return nil
-}
-
 // GetStruct gets the value by specified <pattern>,
 // and converts it to specified object <pointer>.
 // The <pointer> should be the pointer to an object.
@@ -330,12 +312,6 @@ func (j *Json) GetMapStructsDeep(pattern string, pointer interface{}, mapping ..
 	return gconv.MapStructsDeep(j.Get(pattern), pointer, mapping...)
 }
 
-// GetToStruct is alias of GetStruct.
-// Deprecated.
-func (j *Json) GetToStruct(pattern string, pointer interface{}, mapping ...map[string]string) error {
-	return j.GetStruct(pattern, pointer, mapping...)
-}
-
 // ToMap converts current Json object to map[string]interface{}.
 // It returns nil if fails.
 func (j *Json) ToMap() map[string]interface{} {
diff --git a/errors/gerror/gerror.go b/errors/gerror/gerror.go
index 844b61cac..c9df839ec 100644
--- a/errors/gerror/gerror.go
+++ b/errors/gerror/gerror.go
@@ -30,6 +30,17 @@ func New(text string) error {
 	}
 }
 
+// Newf returns an error that formats as the given text.
+func Newf(format string, args ...interface{}) error {
+	if format == "" {
+		return nil
+	}
+	return &Error{
+		stack: callers(),
+		text:  fmt.Sprintf(format, args...),
+	}
+}
+
 // Wrap wraps error with text.
 // It returns nil if given err is nil.
 func Wrap(err error, text string) error {
diff --git a/i18n/gi18n/gi18n_manager.go b/i18n/gi18n/gi18n_manager.go
index fbf4b3a01..f512c97c7 100644
--- a/i18n/gi18n/gi18n_manager.go
+++ b/i18n/gi18n/gi18n_manager.go
@@ -12,6 +12,8 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/gogf/gf/os/glog"
+
 	"github.com/gogf/gf/os/gfsnotify"
 
 	"github.com/gogf/gf/text/gregex"
@@ -164,11 +166,12 @@ func (m *Manager) init() {
 				if m.data[lang] == nil {
 					m.data[lang] = make(map[string]string)
 				}
-				j, _ := gjson.LoadContent(file.Content())
-				if j != nil {
+				if j, err := gjson.LoadContent(file.Content()); err == nil {
 					for k, v := range j.ToMap() {
 						m.data[lang][k] = gconv.String(v)
 					}
+				} else {
+					glog.Errorf("load i18n file '%s' failed: %v", file, err)
 				}
 			}
 		}
@@ -190,11 +193,12 @@ func (m *Manager) init() {
 				if m.data[lang] == nil {
 					m.data[lang] = make(map[string]string)
 				}
-				j, _ := gjson.LoadContent(gfile.GetBytes(file))
-				if j != nil {
+				if j, err := gjson.LoadContent(gfile.GetBytes(file)); err == nil {
 					for k, v := range j.ToMap() {
 						m.data[lang][k] = gconv.String(v)
 					}
+				} else {
+					glog.Errorf("load i18n file '%s' failed: %v", file, err)
 				}
 			}
 			_, _ = gfsnotify.Add(path, func(event *gfsnotify.Event) {