diff --git a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/AgentStatusManager.java b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/AgentStatusManager.java
index 39dde5d934..307c79f1da 100644
--- a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/AgentStatusManager.java
+++ b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/AgentStatusManager.java
@@ -141,30 +141,24 @@ public String getFieldsString() {
     private String systemStartupTime = ExcuteLinux.exeCmd("uptime -s").replaceAll("\r|\n", "");
 
     private AgentStatusManager(AgentManager agentManager) {
-        this.agentManager = agentManager;
         this.conf = AgentConfiguration.getAgentConf();
         threadBean = ManagementFactory.getThreadMXBean();
+        this.agentManager = agentManager;
     }
 
-    public static AgentStatusManager getInstance(AgentManager agentManager) {
-        if (manager == null) {
-            synchronized (AgentStatusManager.class) {
-                if (manager == null) {
-                    manager = new AgentStatusManager(agentManager);
-                }
+    public static void init(AgentManager agentManager) {
+        synchronized (AgentStatusManager.class) {
+            if (manager == null) {
+                manager = new AgentStatusManager(agentManager);
             }
         }
-        return manager;
     }
 
-    public static AgentStatusManager getInstance() {
-        if (manager == null) {
-            throw new RuntimeException("HeartbeatManager has not been initialized by agentManager");
-        }
+    private static AgentStatusManager getInstance() {
         return manager;
     }
 
-    public void sendStatusMsg(DefaultMessageSender sender) {
+    private void doSendStatusMsg(DefaultMessageSender sender) {
         AgentStatus data = AgentStatusManager.getInstance().getStatus();
         LOGGER.info("status detail: {}", data);
         if (sender == null) {
@@ -180,6 +174,12 @@ public void sendStatusMsg(DefaultMessageSender sender) {
         }
     }
 
+    public static void sendStatusMsg(DefaultMessageSender sender) {
+        if (AgentStatusManager.getInstance() != null) {
+            AgentStatusManager.getInstance().doSendStatusMsg(sender);
+        }
+    }
+
     private double getProcessCpu() {
         double cpu = tryGetProcessCpu();
         int tryTimes = 0;
diff --git a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/FileStaticManager.java b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/FileStaticManager.java
index 7acd32941b..abda6a2eab 100644
--- a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/FileStaticManager.java
+++ b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/FileStaticManager.java
@@ -92,27 +92,24 @@ public String getFieldsString() {
     private final AgentConfiguration conf;
     protected BlockingQueue<FileStatic> queue;
 
-    private FileStaticManager(AgentManager agentManager) {
+    private FileStaticManager() {
         this.conf = AgentConfiguration.getAgentConf();
         queue = new LinkedBlockingQueue<>(CACHE_QUEUE_SIZE);
     }
 
-    public static FileStaticManager getInstance(AgentManager agentManager) {
-        if (manager == null) {
-            synchronized (FileStaticManager.class) {
-                if (manager == null) {
-                    manager = new FileStaticManager(agentManager);
-                }
+    public static void init() {
+        synchronized (FileStaticManager.class) {
+            if (manager == null) {
+                manager = new FileStaticManager();
             }
         }
-        return manager;
     }
 
-    public static FileStaticManager getInstance() {
+    private static FileStaticManager getInstance() {
         return manager;
     }
 
-    public void putStaticMsg(FileStatic data) {
+    private void doPutStaticMsg(FileStatic data) {
         data.setAgentIp(AgentUtils.fetchLocalIp());
         data.setTag(conf.get(AGENT_CLUSTER_TAG));
         data.setCluster(conf.get(AGENT_CLUSTER_NAME));
@@ -121,7 +118,13 @@ public void putStaticMsg(FileStatic data) {
         }
     }
 
-    public void sendStaticMsg(DefaultMessageSender sender) {
+    public static void putStaticMsg(FileStatic data) {
+        if (FileStaticManager.getInstance() != null) {
+            FileStaticManager.getInstance().doPutStaticMsg(data);
+        }
+    }
+
+    private void doSendStaticMsg(DefaultMessageSender sender) {
         while (!queue.isEmpty()) {
             FileStatic data = queue.poll();
             LOGGER.info("file static detail: {}", data);
@@ -138,4 +141,10 @@ public void sendStaticMsg(DefaultMessageSender sender) {
             }
         }
     }
+
+    public static void sendStaticMsg(DefaultMessageSender sender) {
+        if (FileStaticManager.getInstance() != null) {
+            FileStaticManager.getInstance().doSendStaticMsg(sender);
+        }
+    }
 }
\ No newline at end of file
diff --git a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/HeartbeatManager.java b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/HeartbeatManager.java
index 1f833275eb..2a16bffb0a 100644
--- a/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/HeartbeatManager.java
+++ b/inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/HeartbeatManager.java
@@ -75,8 +75,6 @@ private HeartbeatManager(AgentManager agentManager) {
         baseManagerUrl = httpManager.getBaseUrl();
         reportHeartbeatUrl = buildReportHeartbeatUrl(baseManagerUrl);
         createMessageSender();
-        AgentStatusManager.getInstance(agentManager);
-        FileStaticManager.getInstance(agentManager);
     }
 
     public static HeartbeatManager getInstance(AgentManager agentManager) {
@@ -126,8 +124,8 @@ private Runnable heartbeatReportThread() {
                     if (sender == null) {
                         createMessageSender();
                     }
-                    AgentStatusManager.getInstance().sendStatusMsg(sender);
-                    FileStaticManager.getInstance().sendStaticMsg(sender);
+                    AgentStatusManager.sendStatusMsg(sender);
+                    FileStaticManager.sendStaticMsg(sender);
                 } catch (Throwable e) {
                     LOGGER.error("interrupted while report heartbeat", e);
                     ThreadUtils.threadThrowableHandler(Thread.currentThread(), e);
diff --git a/inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/sources/LogFileSource.java b/inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/sources/LogFileSource.java
index 4adf59c97b..9ce20f6daa 100755
--- a/inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/sources/LogFileSource.java
+++ b/inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/sources/LogFileSource.java
@@ -323,9 +323,6 @@ public boolean sourceExist() {
     protected void releaseSource() {
         if (randomAccessFile != null) {
             try {
-                if (FileStaticManager.getInstance() == null) {
-                    return;
-                }
                 FileStatic data = new FileStatic();
                 data.setTaskId(taskId);
                 data.setRetry(String.valueOf(profile.isRetry()));
@@ -342,7 +339,7 @@ protected void releaseSource() {
                     return;
                 }
                 data.setSendLines(offsetProfile.getOffset());
-                FileStaticManager.getInstance().putStaticMsg(data);
+                FileStaticManager.putStaticMsg(data);
                 randomAccessFile.close();
             } catch (IOException e) {
                 LOGGER.error("close randomAccessFile error", e);