diff --git a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogBuffer.java b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogBuffer.java
index b6e1457d..9c482e55 100644
--- a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogBuffer.java
+++ b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogBuffer.java
@@ -188,8 +188,9 @@ public class LogBuffer {
      * <tt>newLimit</tt> do not hold
      */
     public final LogBuffer limit(int newLimit) {
-        if (origin + newLimit > buffer.length || newLimit < 0) throw new IllegalArgumentException("capacity excceed: "
-                                                                                                  + (origin + newLimit));
+        if (origin + newLimit > buffer.length || newLimit < 0) {
+            throw new IllegalArgumentException("capacity excceed: " + (origin + newLimit));
+        }
 
         limit = newLimit;
         return this;
diff --git a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java
index ace5f2fd..8da9fa61 100644
--- a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java
+++ b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java
@@ -187,6 +187,15 @@ public abstract class LogEvent {
     /* New MySQL/Sun events are to be added right above this comment */
     public static final int    MYSQL_EVENTS_END                         = 49;
 
+    // PolarDB-X 2.5.0
+    // CONSENSUS EVENTS START
+    public static final int    CONSENSUS_LOG_EVENT                      = 101;
+    public static final int    PREVIOUS_CONSENSUS_INDEX_LOG_EVENT       = 102;
+    public static final int    CONSENSUS_CLUSTER_INFO_EVENT             = 103;
+    public static final int    CONSENSUS_EMPTY_EVENT                    = 104;
+    public static final int    GCN_LOG_EVENT                            = 105;
+    // CONSENSUS EVENTS END
+
     public static final int    MARIA_EVENTS_BEGIN                       = 160;
     /* New Maria event numbers start from here */
     public static final int    ANNOTATE_ROWS_EVENT                      = 160;
@@ -229,7 +238,7 @@ public abstract class LogEvent {
     public static final int    DELETE_ROWS_COMPRESSED_EVENT             = 171;
 
     /** end marker */
-    public static final int    ENUM_END_EVENT                           = 171;
+    public static final int    ENUM_END_EVENT                           = 172;
 
     /**
      * 1 byte length, 1 byte format Length is total length in bytes, including 2
@@ -404,6 +413,16 @@ public abstract class LogEvent {
                 return "Xa_prepare";
             case TRANSACTION_PAYLOAD_EVENT :
                 return "transaction_payload";
+            case CONSENSUS_LOG_EVENT:
+                return "Consensus_log";
+            case PREVIOUS_CONSENSUS_INDEX_LOG_EVENT:
+                return "Previous_consensus_index";
+            case CONSENSUS_CLUSTER_INFO_EVENT:
+                return "Consensus_cluster_info";
+            case CONSENSUS_EMPTY_EVENT:
+                return "Consensus_empty";
+            case GCN_LOG_EVENT:
+                return "Gcn_log";
             default:
                 return "Unknown type:" + type;
         }
diff --git a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/QueryLogEvent.java b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/QueryLogEvent.java
index 946ab930..7941ce76 100644
--- a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/QueryLogEvent.java
+++ b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/QueryLogEvent.java
@@ -670,6 +670,8 @@ public class QueryLogEvent extends LogEvent {
 
     public static final int Q_LIZARD_PREPARE_GCN              = 201;
 
+    public static final int Q_OPT_INDEX_FORMAT_PANDA_ENABLED  = 255;
+
     private final void unpackVariables(LogBuffer buffer, final int end) throws IOException {
         int code = -1;
         try {
@@ -828,6 +830,10 @@ public class QueryLogEvent extends LogEvent {
                         // prepareGCN = buffer.getLong64();
                         buffer.forward(8);
                         break;
+                    case Q_OPT_INDEX_FORMAT_PANDA_ENABLED:
+                        // *start++ = thd->variables.opt_index_format_panda_enabled;
+                        buffer.forward(1);
+                        break;
                     default:
                         /*
                          * That's why you must write status vars in growing
@@ -888,6 +894,8 @@ public class QueryLogEvent extends LogEvent {
                 return "Q_OPT_FLASHBACK_AREA";
             case Q_OPT_INDEX_FORMAT_GPP_ENABLED:
                 return "Q_OPT_INDEX_FORMAT_GPP_ENABLED";
+            case Q_OPT_INDEX_FORMAT_PANDA_ENABLED:
+                return "Q_OPT_INDEX_FORMAT_PANDA_ENABLED";
             case Q_HRNOW:
                 // or Q_WSREP_SKIP_READONLY_CHECKS
                 return "Q_HRNOW";