diff --git a/source/libs/function/test/udf1_dup.c b/source/libs/function/test/udf1_dup.c
index 71d7ebc58a..c251192da3 100644
--- a/source/libs/function/test/udf1_dup.c
+++ b/source/libs/function/test/udf1_dup.c
@@ -10,11 +10,11 @@
 #include "taosudf.h"
 
 
-DLL_EXPORT int32_t udf1_init() { return 0; }
+DLL_EXPORT int32_t udf1_dup_init() { return 0; }
 
-DLL_EXPORT int32_t udf1_destroy() { return 0; }
+DLL_EXPORT int32_t udf1_dup_destroy() { return 0; }
 
-DLL_EXPORT int32_t udf1(SUdfDataBlock *block, SUdfColumn *resultCol) {
+DLL_EXPORT int32_t udf1_dup(SUdfDataBlock *block, SUdfColumn *resultCol) {
   SUdfColumnData *resultData = &resultCol->colData;
   for (int32_t i = 0; i < block->numOfRows; ++i) {
     int j = 0;
diff --git a/tests/system-test/0-others/udf_create.py b/tests/system-test/0-others/udf_create.py
index 398d746a9b..e53289e92e 100644
--- a/tests/system-test/0-others/udf_create.py
+++ b/tests/system-test/0-others/udf_create.py
@@ -54,13 +54,14 @@ class TDTestCase:
                 tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf1_dup.so',projPath+"\\debug\\build\\lib\\")
                 tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf2.so',projPath+"\\debug\\build\\lib\\")
                 self.libudf1 = self.libudf1.replace('udf1.dll','libudf1.so')
-                self.libudf1 = self.libudf1.replace('udf1.dll','libudf1_dup.so')
+                self.libudf1_dup = self.libudf1_dup.replace('udf1_dup.dll','libudf1_dup.so')
                 self.libudf2 = self.libudf2.replace('udf2.dll','libudf2.so')
         else:
             self.libudf1 = subprocess.Popen('find %s -name "libudf1.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
             self.libudf1_dup = subprocess.Popen('find %s -name "libudf1_dup.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
             self.libudf2 = subprocess.Popen('find %s -name "libudf2.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
         self.libudf1 = self.libudf1.replace('\r','').replace('\n','')
+        self.libudf1_dup = self.libudf1_dup.replace('\r','').replace('\n','')
         self.libudf2 = self.libudf2.replace('\r','').replace('\n','')