diff --git a/api/src/main/java/com/alibaba/nacos/api/common/Constants.java b/api/src/main/java/com/alibaba/nacos/api/common/Constants.java
index 62a3c7d41..ac9e434e3 100644
--- a/api/src/main/java/com/alibaba/nacos/api/common/Constants.java
+++ b/api/src/main/java/com/alibaba/nacos/api/common/Constants.java
@@ -163,5 +163,4 @@ public class Constants {
 
     public static final String NUMBER_PATTERN = "^\\d+$";
 
-    public static final String COMMA_DIVISION = ",";
 }
diff --git a/core/src/main/java/com/alibaba/nacos/core/utils/Constants.java b/core/src/main/java/com/alibaba/nacos/core/utils/Constants.java
index b1014876a..c3c6231a9 100644
--- a/core/src/main/java/com/alibaba/nacos/core/utils/Constants.java
+++ b/core/src/main/java/com/alibaba/nacos/core/utils/Constants.java
@@ -57,4 +57,5 @@ public interface Constants {
     String PREFER_HOSTNAME_OVER_IP = "nacos.inetutils.prefer-hostname-over-ip";
     String SYSTEM_PREFER_HOSTNAME_OVER_IP = "nacos.preferHostnameOverIp";
     String WEN_CONTEXT_PATH = "server.servlet.context-path";
+    String COMMA_DIVISION = ",";
 }
diff --git a/core/src/main/java/com/alibaba/nacos/core/utils/SystemUtils.java b/core/src/main/java/com/alibaba/nacos/core/utils/SystemUtils.java
index 016659597..d8e66df18 100644
--- a/core/src/main/java/com/alibaba/nacos/core/utils/SystemUtils.java
+++ b/core/src/main/java/com/alibaba/nacos/core/utils/SystemUtils.java
@@ -142,7 +142,7 @@ public class SystemUtils {
                 int multiIndex = instance.indexOf(",");
                 if (multiIndex > 0) {
                     // support the format: ip1:port,ip2:port  # multi inline
-                    for (String ins : instance.split("[,]")) {
+                    for (String ins : instance.split(Constants.COMMA_DIVISION)) {
                         instanceList.add(ins);
                     }
                 } else {