diff --git a/src/main/java/com/actiontech/dble/services/manager/response/ShowConnectionPoolProperty.java b/src/main/java/com/actiontech/dble/services/manager/response/ShowConnectionPoolProperty.java
index 151739e3a..d8ac3bd33 100644
--- a/src/main/java/com/actiontech/dble/services/manager/response/ShowConnectionPoolProperty.java
+++ b/src/main/java/com/actiontech/dble/services/manager/response/ShowConnectionPoolProperty.java
@@ -36,13 +36,13 @@ public final class ShowConnectionPoolProperty {
         FIELDS[i] = PacketUtil.getField("DB_GROUP", Fields.FIELD_TYPE_VAR_STRING);
         FIELDS[i++].setPacketId(++packetId);
 
-        FIELDS[i] = PacketUtil.getField("DB_INSTANCE", Fields.FIELD_TYPE_LONG);
+        FIELDS[i] = PacketUtil.getField("DB_INSTANCE", Fields.FIELD_TYPE_VAR_STRING);
         FIELDS[i++].setPacketId(++packetId);
 
         FIELDS[i] = PacketUtil.getField("PROPERTY", Fields.FIELD_TYPE_VAR_STRING);
         FIELDS[i++].setPacketId(++packetId);
 
-        FIELDS[i] = PacketUtil.getField("VALUE", Fields.FIELD_TYPE_LONG);
+        FIELDS[i] = PacketUtil.getField("VALUE", Fields.FIELD_TYPE_VAR_STRING);
         FIELDS[i].setPacketId(++packetId);
 
         EOF.setPacketId(++packetId);