diff --git a/src/main/java/a8k/app/service/mainctrl/mainflowctrl/MainFlowCtrlScheduler.java b/src/main/java/a8k/app/service/mainctrl/mainflowctrl/MainFlowCtrlScheduler.java
index eb2cf1f..0f612c8 100644
--- a/src/main/java/a8k/app/service/mainctrl/mainflowctrl/MainFlowCtrlScheduler.java
+++ b/src/main/java/a8k/app/service/mainctrl/mainflowctrl/MainFlowCtrlScheduler.java
@@ -282,20 +282,24 @@ public class MainFlowCtrlScheduler implements ApplicationListener<ApplicationSta
 
 	void workFn() {
 		while (workThread.isAlive()) {
-			var state = deviceWorkStateMgrService.getDeviceWorkState();
-			if (state.fatalErrorFlag) {
-				OS.forceSleep(500);
-				continue;
-			}
-
-			switch (state.workState) {
-				case IDLE -> onIDLE();
-				case WORKING -> onWorking();
-				case PAUSE -> onPause();
-			}
-
-			onPostProcessing();
-			OS.forceSleep(500);
+            try{
+                var state = deviceWorkStateMgrService.getDeviceWorkState();
+                if (state.fatalErrorFlag) {
+                    OS.forceSleep(500);
+                    continue;
+                }
+
+                switch (state.workState) {
+                    case IDLE -> onIDLE();
+                    case WORKING -> onWorking();
+                    case PAUSE -> onPause();
+                }
+
+                onPostProcessing();
+                OS.forceSleep(500);
+            } catch (Exception e) {
+                log.error("workFn error {}", e.getMessage(), e);
+            }
 		}
 	}