diff --git a/src/main/java/com/moilioncircle/redis/replicator/Configuration.java b/src/main/java/com/moilioncircle/redis/replicator/Configuration.java
index 96310a60..f7092bc9 100644
--- a/src/main/java/com/moilioncircle/redis/replicator/Configuration.java
+++ b/src/main/java/com/moilioncircle/redis/replicator/Configuration.java
@@ -17,7 +17,6 @@
 package com.moilioncircle.redis.replicator;
 
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.atomic.AtomicLong;
@@ -199,11 +198,6 @@ public static Configuration defaultSetting() {
      */
     private int scanStep = 512;
     
-    /**
-     * @since 3.8.1
-     */
-    private Map<String, Object> context = new HashMap<>(4);
-    
     public int getConnectionTimeout() {
         return connectionTimeout;
     }
@@ -452,14 +446,6 @@ public Configuration setScanStep(int scanStep) {
         return this;
     }
     
-    public Map<String, Object> getContext() {
-        return context;
-    }
-    
-    public void setContext(Map<String, Object> context) {
-        this.context = context;
-    }
-    
     public Configuration merge(SslConfiguration sslConfiguration) {
         if (sslConfiguration == null) return this;
         this.setSslParameters(sslConfiguration.getSslParameters());
@@ -611,7 +597,6 @@ public String toString() {
                 ", replStreamDB=" + replStreamDB +
                 ", replOffset=" + replOffset +
                 ", replFilters=" + Arrays.toString(replFilters) +
-                ", context=" + context +
                 '}';
     }
 }
diff --git a/src/main/java/com/moilioncircle/redis/replicator/Constants.java b/src/main/java/com/moilioncircle/redis/replicator/Constants.java
index d237908d..f8a7785e 100644
--- a/src/main/java/com/moilioncircle/redis/replicator/Constants.java
+++ b/src/main/java/com/moilioncircle/redis/replicator/Constants.java
@@ -136,12 +136,4 @@ private Constants() {
     public static final byte MINUS = '-';
     public static final byte COLON = ':';
     public static final byte HASHTAG = '#'; // since redis 7.0 TS timestamp
-    
-    /**
-     * replication protocol
-     */
-    public static final String REPL_ID = "$REPL_ID";
-    public static final String REPL_OFFSET = "$REPL_OFFSET";
-    public static final String REPL_STREAM_DB = "$REPL_STREAM_DB";
-
 }
diff --git a/src/main/java/com/moilioncircle/redis/replicator/RedisSocketReplicator.java b/src/main/java/com/moilioncircle/redis/replicator/RedisSocketReplicator.java
index 3a4be5f3..c2dd7468 100644
--- a/src/main/java/com/moilioncircle/redis/replicator/RedisSocketReplicator.java
+++ b/src/main/java/com/moilioncircle/redis/replicator/RedisSocketReplicator.java
@@ -17,8 +17,6 @@
 package com.moilioncircle.redis.replicator;
 
 import static com.moilioncircle.redis.replicator.Constants.DOLLAR;
-import static com.moilioncircle.redis.replicator.Constants.REPL_ID;
-import static com.moilioncircle.redis.replicator.Constants.REPL_OFFSET;
 import static com.moilioncircle.redis.replicator.Constants.STAR;
 import static com.moilioncircle.redis.replicator.RedisSocketReplicator.SyncMode.PSYNC;
 import static com.moilioncircle.redis.replicator.RedisSocketReplicator.SyncMode.SYNC;
@@ -36,8 +34,6 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.Socket;
-import java.util.HashMap;
-import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -145,10 +141,8 @@ protected SyncMode trySync(final String reply) throws IOException {
             this.db = -1;
             parseDump(this);
             String[] ary = reply.split(" ");
-            Map<String, Object> context = new HashMap<>(4);
-            context.put(REPL_ID, ary[1]);
-            context.put(REPL_OFFSET, ary[2]);
-            configuration.setContext(context);
+            configuration.setReplId(ary[1]);
+            configuration.setReplOffset(Long.parseLong(ary[2]));
             return PSYNC;
         } else if (reply.startsWith("CONTINUE")) {
             String[] ary = reply.split(" ");
diff --git a/src/main/java/com/moilioncircle/redis/replicator/rdb/DefaultRdbVisitor.java b/src/main/java/com/moilioncircle/redis/replicator/rdb/DefaultRdbVisitor.java
index 5ad58298..d98a69f3 100644
--- a/src/main/java/com/moilioncircle/redis/replicator/rdb/DefaultRdbVisitor.java
+++ b/src/main/java/com/moilioncircle/redis/replicator/rdb/DefaultRdbVisitor.java
@@ -39,11 +39,7 @@
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_2;
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_LISTPACK;
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_ZIPLIST;
-import static com.moilioncircle.redis.replicator.Constants.REPL_ID;
-import static com.moilioncircle.redis.replicator.Constants.REPL_OFFSET;
-import static com.moilioncircle.redis.replicator.Constants.REPL_STREAM_DB;
 import static java.lang.Integer.parseInt;
-import static java.lang.Long.parseLong;
 
 import java.io.IOException;
 import java.util.List;
@@ -162,12 +158,11 @@ public Event applyAux(RedisInputStream in, int version) throws IOException {
             if (logger.isInfoEnabled()) {
                 logger.info("RDB {}: {}", auxKey, auxValue);
             }
-            Map<String, Object> context = replicator.getConfiguration().getContext();
-            if (context != null) {
-                if (auxKey.equals("repl-id")) context.put(REPL_ID, auxValue);
-                if (auxKey.equals("repl-offset")) context.put(REPL_OFFSET, auxValue);
-                if (auxKey.equals("repl-stream-db")) context.put(REPL_STREAM_DB, auxValue);
-            }
+            
+            // avoid set repl_offset too early.
+            // if (auxKey.equals("repl-id")) replicator.getConfiguration().setReplId(auxValue);
+            // if (auxKey.equals("repl-offset")) replicator.getConfiguration().setReplOffset(parseLong(auxValue));
+            if (auxKey.equals("repl-stream-db")) replicator.getConfiguration().setReplStreamDB(parseInt(auxValue));
             return new AuxField(auxKey, auxValue);
         } else {
             if (logger.isWarnEnabled()) {
diff --git a/src/main/java/com/moilioncircle/redis/replicator/rdb/RdbParser.java b/src/main/java/com/moilioncircle/redis/replicator/rdb/RdbParser.java
index 976e3e02..c2a94a91 100644
--- a/src/main/java/com/moilioncircle/redis/replicator/rdb/RdbParser.java
+++ b/src/main/java/com/moilioncircle/redis/replicator/rdb/RdbParser.java
@@ -48,20 +48,15 @@
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_2;
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_LISTPACK;
 import static com.moilioncircle.redis.replicator.Constants.RDB_TYPE_ZSET_ZIPLIST;
-import static com.moilioncircle.redis.replicator.Constants.REPL_ID;
-import static com.moilioncircle.redis.replicator.Constants.REPL_OFFSET;
-import static com.moilioncircle.redis.replicator.Constants.REPL_STREAM_DB;
 import static com.moilioncircle.redis.replicator.Status.CONNECTED;
 import static com.moilioncircle.redis.replicator.util.Tuples.of;
 
 import java.io.IOException;
-import java.util.Map;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.moilioncircle.redis.replicator.AbstractReplicator;
-import com.moilioncircle.redis.replicator.Configuration;
 import com.moilioncircle.redis.replicator.event.Event;
 import com.moilioncircle.redis.replicator.event.PostRdbSyncEvent;
 import com.moilioncircle.redis.replicator.event.PreRdbSyncEvent;
@@ -295,15 +290,6 @@ public long parse() throws IOException {
             if (replicator.verbose() && logger.isDebugEnabled()) logger.debug("{}", event);
             if (!discard) this.replicator.submitEvent(event, of(start, offset));
         }
-        
-        // we should set repl_id, repl_offset, repl_stream_db after full sync done to avoid losing data.
-        Map<String, Object> context = replicator.getConfiguration().getContext();
-        if (context != null) {
-            Configuration conf = replicator.getConfiguration();
-            if (context.containsKey(REPL_ID)) conf.setReplId((String) context.get(REPL_ID));
-            if (context.containsKey(REPL_OFFSET)) conf.setReplOffset(Long.parseLong((String) context.get(REPL_OFFSET)));
-            if (context.containsKey(REPL_STREAM_DB)) conf.setReplStreamDB(Integer.parseInt((String) context.get(REPL_STREAM_DB)));
-        }
         return offset;
     }
 }