diff --git a/api/app/lib/controllers/analysis/network.js b/api/app/lib/controllers/analysis/network.js
index cd95794..14fe404 100644
--- a/api/app/lib/controllers/analysis/network.js
+++ b/api/app/lib/controllers/analysis/network.js
@@ -218,6 +218,7 @@ async function findSensorLastData (ctx) {
       ctx.status = 200;
       ctx.body = rslt;
    } catch (error) {
+      ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`)
       ctx.status = 400;
       ctx.body = {
          "name": "FindError",