Merge pull request #6712 from taosdata/fix/query

[td-4748]<fix>:fix the temp file generate bug on windows.

src/os/src/windows/wEnv.c

@@ -48,9 +48,10 @@ void osInit() {
   strcpy(tsOsName, "Windows");
 
   const char *tmpDir = getenv("tmp");
-  if (tmpDir != NULL) {
+  if (tmpDir == NULL) {
     tmpDir = getenv("temp");
   }
+
   if (tmpDir != NULL) {
     strcpy(tsTempDir, tmpDir);
   } else {