diff --git a/bin/tsw/util/auto-report/logReport.js b/bin/tsw/util/auto-report/logReport.js
index 5f434903..7a5c3c90 100644
--- a/bin/tsw/util/auto-report/logReport.js
+++ b/bin/tsw/util/auto-report/logReport.js
@@ -291,6 +291,30 @@ module.exports.receiveCloud = function(req, res) {
         return returnJson('get appkey error');
     }
 
+    if (data.logText) {
+        return returnJson('logText is invalid');
+    }
+
+    if (typeof data.logText !== 'string') {
+        return returnJson('logText is not string');
+    }
+
+    if (data.logText.length >= 64 * 1024) {
+        return returnJson('logText is large than 64KB');
+    }
+
+    if (!data.logJson) {
+        return returnJson('logJson is invalid');
+    }
+
+    if (typeof data.logJson !== 'string') {
+        return returnJson('logJson is not string');
+    }
+
+    if (data.logText.length >= 1024 * 1024) {
+        return returnJson('logJson is large than 1MB');
+    }
+
     const appid = context.appid;
     const appkey = context.appkey;
     const reportKey = [appid, data.key].join('/');