diff --git a/include/os/osDef.h b/include/os/osDef.h
index 07cd197ad7..f5a79934bf 100644
--- a/include/os/osDef.h
+++ b/include/os/osDef.h
@@ -245,7 +245,7 @@ void syslog(int unused, const char *format, ...);
 #define TD_TIMEZONE_LEN 96
 
 #ifdef WINDOWS
-#define TD_PATH_MAX 260
+#define TD_PATH_MAX _MAX_PATH
 #elif defined(PATH_MAX)
 #define TD_PATH_MAX PATH_MAX
 #elif defined(_XOPEN_PATH_MAX)
diff --git a/source/dnode/vnode/src/tsdb/tsdbOpen.c b/source/dnode/vnode/src/tsdb/tsdbOpen.c
index bb20a9b012..c5ab751c17 100644
--- a/source/dnode/vnode/src/tsdb/tsdbOpen.c
+++ b/source/dnode/vnode/src/tsdb/tsdbOpen.c
@@ -38,7 +38,14 @@ int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb, const char *dir, STsdbKeepCfg *pKee
   int    slen = 0;
 
   *ppTsdb = NULL;
-  slen = strlen(pVnode->path) + strlen(dir) + 2;
+  slen = TD_PATH_MAX;  //strlen(pVnode->path) + strlen(dir) + 3;
+
+  // if (slen > TD_PATH_MAX) {
+  //   terrno = TSDB_CODE_OUT_OF_RANGE;
+  //   tsdbError("vgId:%d, tsdb open failed since %s, path: %s%s%s", TD_VID(pVnode), terrstr(), pVnode->path, TD_DIRSEP,
+  //             dir);
+  //   return -1;
+  // }
 
   // create handle
   pTsdb = (STsdb *)taosMemoryCalloc(1, sizeof(*pTsdb) + slen);