diff --git a/server/system.go b/server/system.go
index a468dc79..25ef6525 100644
--- a/server/system.go
+++ b/server/system.go
@@ -34,6 +34,7 @@ func (s *Server) registerSystemRoutes(g *echo.Group) {
 
 		if hostUser != nil {
 			// data desensitize
+			hostUser.Email = ""
 			hostUser.OpenID = ""
 		}
 
diff --git a/server/user.go b/server/user.go
index 99c1de35..d803056f 100644
--- a/server/user.go
+++ b/server/user.go
@@ -68,6 +68,7 @@ func (s *Server) registerUserRoutes(g *echo.Group) {
 
 		for _, user := range userList {
 			// data desensitize
+			user.Email = ""
 			user.OpenID = ""
 		}
 
@@ -153,6 +154,7 @@ func (s *Server) registerUserRoutes(g *echo.Group) {
 
 		if user != nil {
 			// data desensitize
+			user.Email = ""
 			user.OpenID = ""
 		}
 
diff --git a/store/user.go b/store/user.go
index 03440455..217b5412 100644
--- a/store/user.go
+++ b/store/user.go
@@ -52,6 +52,7 @@ func (s *Store) ComposeMemoCreator(ctx context.Context, memo *api.Memo) error {
 		return err
 	}
 
+	user.Email = ""
 	user.OpenID = ""
 	user.UserSettingList = nil
 	memo.Creator = user