style: 错误信息英文返回-lib包

lib/session/session.go

@@ -3,7 +3,7 @@ package session
 import (
 	"crypto/rand"
 	"encoding/base64"
-	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"strconv"
@@ -89,7 +89,7 @@ func (smgr *SessManager) SetSessionValue(token string, key interface{}, value in
 		session.values[key] = value
 		return nil
 	}
-	return errors.New("invalid session ID")
+	return fmt.Errorf("invalid session ID")
 }
 
 // GetSessionValue get value fo session
@@ -101,7 +101,7 @@ func (smgr *SessManager) GetSessionValue(token string, key interface{}) (interfa
 			return val, nil
 		}
 	}
-	return nil, errors.New("invalid session ID")
+	return nil, fmt.Errorf("invalid session ID")
 }
 
 func (smgr *SessManager) GetTokenFromHttpRequest(r *http.Request) string {
@@ -111,7 +111,6 @@ func (smgr *SessManager) GetTokenFromHttpRequest(r *http.Request) string {
 			return v[0]
 		}
 	}
-
 	return ""
 }