diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 91d53884b8..a975f92569 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -1566,21 +1566,21 @@ int32_t tDeserializeSGetUserAuthRspImpl(SDecoder *pDecoder, SGetUserAuthRsp *pRs
     char db[TSDB_DB_FNAME_LEN] = {0};
     if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
     int32_t len = strlen(db);
-    taosHashPut(pRsp->createdDbs, db, len, db, len);
+    taosHashPut(pRsp->createdDbs, db, len, db, len + 1);
   }
 
   for (int32_t i = 0; i < numOfReadDbs; ++i) {
     char db[TSDB_DB_FNAME_LEN] = {0};
     if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
     int32_t len = strlen(db);
-    taosHashPut(pRsp->readDbs, db, len, db, len);
+    taosHashPut(pRsp->readDbs, db, len, db, len + 1);
   }
 
   for (int32_t i = 0; i < numOfWriteDbs; ++i) {
     char db[TSDB_DB_FNAME_LEN] = {0};
     if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
     int32_t len = strlen(db);
-    taosHashPut(pRsp->writeDbs, db, len, db, len);
+    taosHashPut(pRsp->writeDbs, db, len, db, len + 1);
   }
 
   if (!tDecodeIsEnd(pDecoder)) {