diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 7539ddcbeab12b612c6c14044e2600fd55c89234..04cbcb4e54e6a3e457192724961ee014b11291c6 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -97,8 +97,8 @@ class TDTestCase:
         tdLog.info(f"Base client version is {oldClientVersion}")
 
         tdLog.printNoPrefix(f"==========step1:prepare and check data in old version-{oldServerVersion}")
-        tdLog.info(f"taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
-        os.system(f"taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
+        tdLog.info(f" LD_LIBRARY_PATH=/usr/lib  taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
+        os.system(f"LD_LIBRARY_PATH=/usr/lib taosBenchmark -t {tableNumbers} -n {recordNumbers1} -y  ")
         sleep(3)
 
 #         # tdsqlF.query(f"select count(*) from {stb}")