diff --git a/samples/skywalking-auth/src/main/resources/sky-walking.auth b/samples/skywalking-auth/src/main/resources/sky-walking.auth
index e92c0eea8..9bd8bd8c6 100644
--- a/samples/skywalking-auth/src/main/resources/sky-walking.auth
+++ b/samples/skywalking-auth/src/main/resources/sky-walking.auth
@@ -1,22 +1,17 @@
 #skyWalking用户ID
 skywalking.user_id=123
+#skyWalking应用ID
+skywalking.application_id=test
 
 #是否打印数据
 buriedpoint.printf=false
+#埋点异常的最大长度
+buriedpoint.max_exception_stack_length=4000
+#业务字段的最大长度
+buriedpoint.businesskey_max_length=300
+
 #发送的最大长度
 sender.max_sender_length=8000
-#服务端的读取步长
-sender.read_step_length=256
-#最大消费线程数
-consumer.max_consumer=2
-#消费者最大等待时间
-consumer.max_wait_time=5
-#发送失败等待时间
-consumer.consumer_fail_retry_wait_interval=50
-#每个Buffer的最大个数
-buffer.buffer_max_size=18000
-#Buffer池的最大长度
-buffer.pool_size=5
 #最大发送者的连接数阀比例
 sender.connect_percent=100
 #当没有Sender时,尝试获取sender的等待周期
@@ -25,10 +20,19 @@ sender.retry_get_sender_wait_interval=2000
 sender.is_off=false
 #发送服务端配置
 sender.servers_addr=127.0.0.1:34000
-#埋点异常的最大长度
-buriedpoint.max_exception_stack_length=4000
+
+#最大消费线程数
+consumer.max_consumer=2
+#消费者最大等待时间
+consumer.max_wait_time=5
+#发送失败等待时间
+consumer.consumer_fail_retry_wait_interval=50
+
+#每个Buffer的最大个数
+buffer.buffer_max_size=18000
+#Buffer池的最大长度
+buffer.pool_size=5
+
 #发送检查线程检查周期
 senderchecker.check_polling_time=200
 
-#业务字段的最大长度
-businesskey.max_length=300
\ No newline at end of file
diff --git a/skywalking-api/src/main/java/com/ai/cloud/skywalking/api/BusinessKeyAppender.java b/skywalking-api/src/main/java/com/ai/cloud/skywalking/api/BusinessKeyAppender.java
index 68eb7701a..efe9cc94e 100644
--- a/skywalking-api/src/main/java/com/ai/cloud/skywalking/api/BusinessKeyAppender.java
+++ b/skywalking-api/src/main/java/com/ai/cloud/skywalking/api/BusinessKeyAppender.java
@@ -24,10 +24,10 @@ public final class BusinessKeyAppender {
         if (spanData == null) {
             return;
         }
-        if (businessKey.length() <= Config.BusinessKey.MAX_LENGTH) {
+        if (businessKey.length() <= Config.BuriedPoint.BUSINESSKEY_MAX_LENGTH) {
             spanData.setBusinessKey(businessKey);
             return;
         }
-        spanData.setBusinessKey(businessKey.substring(0, Config.BusinessKey.MAX_LENGTH));
+        spanData.setBusinessKey(businessKey.substring(0, Config.BuriedPoint.BUSINESSKEY_MAX_LENGTH));
     }
 }
diff --git a/skywalking-api/src/main/java/com/ai/cloud/skywalking/conf/Config.java b/skywalking-api/src/main/java/com/ai/cloud/skywalking/conf/Config.java
index 8eb6b850a..0149406a3 100644
--- a/skywalking-api/src/main/java/com/ai/cloud/skywalking/conf/Config.java
+++ b/skywalking-api/src/main/java/com/ai/cloud/skywalking/conf/Config.java
@@ -2,64 +2,60 @@ package com.ai.cloud.skywalking.conf;
 
 public class Config {
 
-    public static class SkyWalking {
-        public static String USER_ID;
+	public static class SkyWalking {
+		public static String USER_ID;
 
-        public static String APPLICATION_ID;
-    }
+		public static String APPLICATION_ID;
+	}
 
-    public static class BuriedPoint {
-        //是否打印埋点信息
-        public static boolean PRINTF = false;
+	public static class BuriedPoint {
+		// 是否打印埋点信息
+		public static boolean PRINTF = false;
 
-        public static int MAX_EXCEPTION_STACK_LENGTH = 4000;
-    }
+		public static int MAX_EXCEPTION_STACK_LENGTH = 4000;
 
-    public static class Consumer {
-        //最大消费线程数
-        public static int MAX_CONSUMER = 2;
-        //消费者最大等待时间
-        public static long MAX_WAIT_TIME = 5L;
+		// Business Key 最大长度
+		public static int BUSINESSKEY_MAX_LENGTH = 300;
+	}
 
-        //
-        public static long CONSUMER_FAIL_RETRY_WAIT_INTERVAL = 50L;
-    }
+	public static class Consumer {
+		// 最大消费线程数
+		public static int MAX_CONSUMER = 2;
+		// 消费者最大等待时间
+		public static long MAX_WAIT_TIME = 5L;
 
-    public static class Buffer {
-        // 每个Buffer的最大个数
-        public static int BUFFER_MAX_SIZE = 18000;
+		//
+		public static long CONSUMER_FAIL_RETRY_WAIT_INTERVAL = 50L;
+	}
 
-        // Buffer池的最大长度
-        public static int POOL_SIZE = 5;
-    }
+	public static class Buffer {
+		// 每个Buffer的最大个数
+		public static int BUFFER_MAX_SIZE = 18000;
 
-    public static class Sender {
-        // 最大发送者的连接数阀比例
-        public static int CONNECT_PERCENT = 50;
+		// Buffer池的最大长度
+		public static int POOL_SIZE = 5;
+	}
 
-        // 发送服务端配置
-        public static String SERVERS_ADDR;
+	public static class Sender {
+		// 最大发送者的连接数阀比例
+		public static int CONNECT_PERCENT = 50;
 
-        // 是否开启发送
-        public static boolean IS_OFF = false;
+		// 发送服务端配置
+		public static String SERVERS_ADDR;
 
-        // 发送的最大长度
-        public static int MAX_SEND_LENGTH = 1800;
+		// 是否开启发送
+		public static boolean IS_OFF = false;
 
+		// 发送的最大长度
+		public static int MAX_SEND_LENGTH = 1800;
 
-        public static long RETRY_GET_SENDER_WAIT_INTERVAL = 2000L;
+		public static long RETRY_GET_SENDER_WAIT_INTERVAL = 2000L;
 
-    }
+	}
 
-    public static class SenderChecker {
+	public static class SenderChecker {
 
-        //检查周期时间
-        public static long CHECK_POLLING_TIME = 200L;
-    }
-
-
-    public static class BusinessKey {
-        //Business Key 最大长度
-        public static int MAX_LENGTH = 300;
-    }
+		// 检查周期时间
+		public static long CHECK_POLLING_TIME = 200L;
+	}
 }
\ No newline at end of file
diff --git a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/conf/Config.java b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/conf/Config.java
index f3d3e0e06..5c55e4f92 100644
--- a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/conf/Config.java
+++ b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/conf/Config.java
@@ -41,9 +41,7 @@ public class Config {
         public static int MAX_THREAD_NUMBER = 1;
 
         // 定位文件时,每次读取偏移量跳过大小
-        public static int OFFSET_FILE_SKIP_LENGTH = 2048;
-
-        // 每次读取文件偏移量大小
+        public static int STEP_SIZE_FOR_LOCATING_FILE_OFFSET = 2048;
 
         // 处理文件完成之后，等待时间
         public static long SWITCH_FILE_WAIT_TIME = 5000L;
diff --git a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/PersistenceThread.java b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/PersistenceThread.java
index 68550d6c3..61fd18529 100644
--- a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/PersistenceThread.java
+++ b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/PersistenceThread.java
@@ -144,10 +144,10 @@ public class PersistenceThread extends Thread {
 									FileRegisterEntry.FileRegisterEntryStatus.REGISTER));
 			offset = 0;
 		} else {
-			char[] cha = new char[OFFSET_FILE_SKIP_LENGTH];
+			char[] cha = new char[STEP_SIZE_FOR_LOCATING_FILE_OFFSET];
 			int length = 0;
-			while (length + OFFSET_FILE_SKIP_LENGTH < offset) {
-				length += OFFSET_FILE_SKIP_LENGTH;
+			while (length + STEP_SIZE_FOR_LOCATING_FILE_OFFSET < offset) {
+				length += STEP_SIZE_FOR_LOCATING_FILE_OFFSET;
 				bufferedReader.read(cha);
 			}
 			bufferedReader.read(cha, 0, Math.abs(offset - length));
diff --git a/skywalking-server/src/main/resources/config.properties b/skywalking-server/src/main/resources/config.properties
index 6b7967f03..9d5284d22 100644
--- a/skywalking-server/src/main/resources/config.properties
+++ b/skywalking-server/src/main/resources/config.properties
@@ -19,9 +19,7 @@ buffer.flush_number_of_cache=30
 #最大持久化的线程数量
 persistence.max_thread_number=3
 #定位文件时,每次读取偏移量跳过大小
-persistence.offset_file_skip_length=20480
-#每次读取文件偏移量大小
-persistence.offset_file_read_buffer_size=20480
+persistence.step_size_for_location_file_offset=20480
 #处理文件完成之后，等待时间(单位:毫秒)
 persistence.switch_file_wait_time=5000
 #追加EOF标志位的线程数量