diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index 84e74b661298f3b7644fce5bc54aa056eb9dbf1d..32f7b23a471bb0fa07998f6082f02a454766aa59 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -1070,7 +1070,7 @@ int32_t cfgGetApollUrl(const char **envCmd, const char *envFile, char* apolloUrl
   TdFilePtr pFile = taosOpenFile(filepath, TD_FILE_READ | TD_FILE_STREAM);
   if (pFile != NULL) {
     while (!taosEOFFile(pFile)) {
-      _bytes = taosGetsFile(pFile, sizeof(line) - 1, &line);
+      _bytes = taosGetsFile(pFile, sizeof(line) - 1, line);
       if (_bytes <= 0) {
         break;
       }