diff --git a/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseData.java b/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseData.java
index 1940e21f..34d767c6 100644
--- a/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseData.java
+++ b/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseData.java
@@ -75,6 +75,7 @@ public void setRsList(List<OcpResponseDataRs> rsList) {
     /*
      * Get IDC list.
      */
+    @JsonProperty("IDCList")
     public List<OcpResponseDataIDC> getIDCList() {
         return IDCList;
     }
diff --git a/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseDataIDC.java b/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseDataIDC.java
index bba403cc..425eadaf 100644
--- a/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseDataIDC.java
+++ b/src/main/java/com/alipay/oceanbase/rpc/location/model/OcpResponseDataIDC.java
@@ -22,6 +22,8 @@
  *
  */
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 public class OcpResponseDataIDC {
     private String idc;
     private String region;
@@ -29,6 +31,7 @@ public class OcpResponseDataIDC {
     /*
      * Get idc.
      */
+    @JsonProperty("idc")
     public String getIdc() {
         return idc;
     }
@@ -43,6 +46,7 @@ public void setIdc(String idc) {
     /*
      * Get region.
      */
+    @JsonProperty("region")
     public String getRegion() {
         return region;
     }