diff --git a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/RegisterPersistenceThread.java b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/RegisterPersistenceThread.java
index e238ec800..9d17daf26 100644
--- a/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/RegisterPersistenceThread.java
+++ b/skywalking-server/src/main/java/com/ai/cloud/skywalking/reciever/persistance/RegisterPersistenceThread.java
@@ -4,6 +4,9 @@ import org.apache.commons.io.FileUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import com.ai.cloud.skywalking.reciever.selfexamination.ServerHealthCollector;
+import com.ai.cloud.skywalking.reciever.selfexamination.ServerHeathReading;
+
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
@@ -14,54 +17,68 @@ import static com.ai.cloud.skywalking.reciever.conf.Config.RegisterPersistence.*
 
 public class RegisterPersistenceThread extends Thread {
 
-    private Logger logger = LogManager.getLogger(RegisterPersistenceThread.class);
+	private Logger logger = LogManager
+			.getLogger(RegisterPersistenceThread.class);
 
-    private BufferedWriter writer;
+	private BufferedWriter writer;
 
-    public RegisterPersistenceThread() {
-    	super("RegisterPersistenceThread");
-    }
+	public RegisterPersistenceThread() {
+		super("RegisterPersistenceThread");
+	}
 
-    @Override
-    public void run() {
-        while (true) {
-            try {
-                Thread.sleep(OFFSET_WRITTEN_FILE_WAIT_CYCLE);
-            } catch (InterruptedException e) {
-                logger.error("Sleep failure", e);
-            }
-            
-            File file = new File(REGISTER_FILE_PARENT_DIRECTORY, REGISTER_FILE_NAME);
-            File bakFile = new File(REGISTER_FILE_PARENT_DIRECTORY, REGISTER_BAK_FILE_NAME);
-            try {
-                FileUtils.copyFile(file, bakFile);
-            } catch (IOException e) {
-                logger.error("Sleep failure", e);
-            }
-            
-            Collection<FileRegisterEntry> fileRegisterEntries = MemoryRegister.instance().getEntries();
-            logger.debug("file Register Entries size [{}]", fileRegisterEntries.size());
-            try {
-                writer = new BufferedWriter(new FileWriter(file));
-            } catch (IOException e) {
-                logger.error("Write The offset file anomalies.");
-            }
-            
-            for (FileRegisterEntry fileRegisterEntry : fileRegisterEntries) {
-                try {
-                    writer.write(fileRegisterEntry.toString() + "\n");
-                } catch (IOException e) {
-                    logger.error("Write file register entry to offset file failure", e);
-                }
-            }
-            try {
-                writer.write("EOF\n");
-                writer.flush();
-                writer.close();
-            } catch (IOException e) {
-                logger.error("Flush offset file failure", e);
-            }
+	@Override
+	public void run() {
+		while (true) {
+			try {
+				Thread.sleep(OFFSET_WRITTEN_FILE_WAIT_CYCLE);
+			} catch (InterruptedException e) {
+				logger.error("Sleep failure", e);
+			}
 
-        }
-    }
+			File file = new File(REGISTER_FILE_PARENT_DIRECTORY,
+					REGISTER_FILE_NAME);
+			File bakFile = new File(REGISTER_FILE_PARENT_DIRECTORY,
+					REGISTER_BAK_FILE_NAME);
+			try {
+				FileUtils.copyFile(file, bakFile);
+			} catch (IOException e) {
+				logger.error("Sleep failure", e);
+			}
+
+			Collection<FileRegisterEntry> fileRegisterEntries = MemoryRegister
+					.instance().getEntries();
+			logger.debug("file Register Entries size [{}]",
+					fileRegisterEntries.size());
+			try {
+				writer = new BufferedWriter(new FileWriter(file));
+			} catch (IOException e) {
+				logger.error("Write The offset file anomalies.");
+			}
+
+			for (FileRegisterEntry fileRegisterEntry : fileRegisterEntries) {
+				try {
+					writer.write(fileRegisterEntry.toString() + "\n");
+				} catch (IOException e) {
+					logger.error(
+							"Write file register entry to offset file failure",
+							e);
+				}
+			}
+			try {
+				writer.write("EOF\n");
+				writer.flush();
+			} catch (IOException e) {
+				logger.error("Flush offset file failure", e);
+			} finally {
+				try {
+					writer.close();
+				} catch (IOException e) {
+					logger.error("close offset file failure", e);
+				}
+			}
+
+			ServerHealthCollector.getCurrentHeathReading(null).updateData(
+					ServerHeathReading.INFO, "flush memory register to file.");
+		}
+	}
 }