diff --git a/api/app/lib/controllers/project/group.js b/api/app/lib/controllers/project/group.js
index 21a518e..7f9f69a 100644
--- a/api/app/lib/controllers/project/group.js
+++ b/api/app/lib/controllers/project/group.js
@@ -196,7 +196,7 @@ async function groupStatistic (ctx) {
       ctx.status = 200;
       ctx.body = rslt
    } catch (error) {
-      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
+      ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
       ctx.status = 400;
       ctx.body = {
          message: typeof error == 'string' ? error : undefined
@@ -310,7 +310,7 @@ async function groupStatisticOnline (ctx) {
       ctx.status = 200;
       ctx.body = strucRes;
    } catch (error) {
-      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
+      ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
       ctx.status = 400;
       ctx.body = {
          message: typeof error == 'string' ? error : undefined