diff --git a/das-dn/hostadsbf/hostadsbf.cpp b/das-dn/hostadsbf/hostadsbf.cpp
index f50b67c5..0c11fe5d 100644
--- a/das-dn/hostadsbf/hostadsbf.cpp
+++ b/das-dn/hostadsbf/hostadsbf.cpp
@@ -1027,7 +1027,7 @@ BOOLEAN CHostADSBFProcess::readFileID()
     AdsVariable <DWORD> wFirstFileNoRecoverable {*m_turbine, ".gwFirstFileNoRecoverable"};
     //vLog(LOG_DEBUG, "Read back with first value %d\n", (DWORD)wFirstFileNoRecoverable);
 #else
-    WORD wPathInfoInvalid = 0;
+    WORD wPathInfoInvalid = 1;
     myAdsVariable myPathInfoInvalid {*m_turbine, ".gwPathInfoInvalid"};
     if (!myPathInfoInvalid.Read(2, &wPathInfoInvalid))
     {
@@ -1105,8 +1105,8 @@ BOOLEAN CHostADSBFProcess::readFileID()
     }
 #endif
 
-    m_iv = (WORD)wPathInfoInvalid;
-    if (m_iv) {
+    m_iv = (int)wPathInfoInvalid;
+    if (m_iv == 1) {
         vLog(LOG_DEBUG, "路径信息无效\n");
         return TRUE;
     }