diff --git a/das-dn/hostadsbf/hostadsbf.cpp b/das-dn/hostadsbf/hostadsbf.cpp
index a0de8090..7cdc8d2e 100644
--- a/das-dn/hostadsbf/hostadsbf.cpp
+++ b/das-dn/hostadsbf/hostadsbf.cpp
@@ -1006,9 +1006,7 @@ BOOLEAN CHostADSBFProcess::OnTimer(void)
                 readFileID();
             }
         }
-        vLog(LOG_DEBUG, "%s read data.\n", m_pidName.c_str());
         readRealData();
-        vLog(LOG_DEBUG, "%s feed dog.\n", m_pidName.c_str());
         FeedDog();
     }
     return TRUE;
@@ -1090,7 +1088,6 @@ BOOLEAN CHostADSBFProcess::readRealData()
     for (int k = 0; k < 4; k++)
     {
         if (!m_adsDatas[k].inuse) continue;
-        vLog(LOG_DEBUG, "%s start to read %d\n", m_pidName.c_str(), k);
         WORD m_adsOverviewDataMemAddr = m_adsDatas[k].adsDataMemAddr;
         register2typemap    m_register2type_map = m_adsDatas[k].adsDataBlocks;