diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/InsertSpecialCharacterRestfulTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/InsertSpecialCharacterRestfulTest.java
index 0cbbe76716..ea0d1aec41 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/InsertSpecialCharacterRestfulTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/InsertSpecialCharacterRestfulTest.java
@@ -13,7 +13,7 @@ public class InsertSpecialCharacterRestfulTest {
     private static String tbname1 = "test";
     private static String tbname2 = "weather";
     private static String special_character_str_1 = "$asd$$fsfsf$";
-    private static String special_character_str_2 = "\\asdfsfsf\\\\";
+    private static String special_character_str_2 = "\\\\asdfsfsf\\\\";
     private static String special_character_str_3 = "\\\\asdfsfsf\\";
     private static String special_character_str_4 = "?asd??fsf?sf?";
     private static String special_character_str_5 = "?#sd@$f(('<(s[P)>\"){]}f?s[]{}%vaew|\"fsfs^a&d*jhg)(j))(f@~!?$";
@@ -49,7 +49,7 @@ public class InsertSpecialCharacterRestfulTest {
     @Test
     public void testCase02() throws SQLException {
         //TODO:
-        // Expected :\asdfsfsf\\
+        // Expected :\asdfsfsf\
         // Actual   :\asdfsfsf\
 
         final long now = System.currentTimeMillis();
@@ -71,7 +71,7 @@ public class InsertSpecialCharacterRestfulTest {
             String f1 = new String(rs.getBytes(2));
             //TODO: bug to be fixed
 //            Assert.assertEquals(special_character_str_2, f1);
-            Assert.assertEquals(special_character_str_2.substring(0, special_character_str_1.length() - 2), f1);
+            Assert.assertEquals(special_character_str_2.substring(1, special_character_str_1.length() - 1), f1);
             String f2 = rs.getString(3);
             Assert.assertNull(f2);
         }