fix: Replace direct error equality judgment with errors.Is to prevent panic (#1198)

Co-authored-by: ruibo.qin <qinphantom@gmail.com>

Author: csg-pr-bot

user/handler/user.go

@@ -157,11 +157,11 @@ func (h *UserHandler) Update(ctx *gin.Context) {
 	err = h.c.UpdateByUUID(ctx.Request.Context(), req)
 	if err != nil {
 		slog.ErrorContext(ctx.Request.Context(), "Failed to update user by uuid", slog.Any("error", err), slog.String("uuid", *req.UUID), slog.String("current_user", currentUser), slog.Any("req", *req))
-		if err == errorx.ErrForbidden {
+		if errors.Is(err, errorx.ErrForbidden) {
 			httpbase.ForbiddenError(ctx, err)
 			return
 		}
-		if err == errorx.ErrUserNotFound {
+		if errors.Is(err, errorx.ErrUserNotFound) {
 			httpbase.NotFoundError(ctx, err)
 			return
 		}