diff --git a/src/main/java/com/dispose/service/impl/AreaCodeManagerServiceImpl.java b/src/main/java/com/dispose/service/impl/AreaCodeManagerServiceImpl.java
index f59b8911..bd0e3348 100644
--- a/src/main/java/com/dispose/service/impl/AreaCodeManagerServiceImpl.java
+++ b/src/main/java/com/dispose/service/impl/AreaCodeManagerServiceImpl.java
@@ -12,6 +12,7 @@ import org.springframework.stereotype.Service;
 import javax.annotation.Resource;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -56,11 +57,12 @@ public class AreaCodeManagerServiceImpl implements AreaCodeManagerService {
     public int getAreaCodeGroupReserveNetflow(Integer areaCode) {
         List<DisposeDevice> disposeDevices = disposeDeviceManagerService.getAllDisposeDevice();
         return disposeDevices.stream()
-                             .filter(v -> v.getAreaCode().equals(areaCode))
-                             .mapToInt(v -> v.getDevCapacity().stream()
-                                             .filter(k -> k.getCapacityType() == DisposeCapacityType.CLEANUP)
-                                             .mapToInt(DisposeCapacity::getReserveNetflow).sum())
-                             .sum();
+            .filter(v -> v.getAreaCode().equals(areaCode))
+            .mapToInt(v -> v.getDevCapacity().stream()
+                .filter(k -> k.getCapacityType() == DisposeCapacityType.CLEANUP)
+                .mapToInt(m -> Optional.ofNullable(m.getReserveNetflow()).orElse(0))
+                .sum())
+            .sum();
     }
 
     /**
@@ -73,11 +75,11 @@ public class AreaCodeManagerServiceImpl implements AreaCodeManagerService {
     public int getAreaCodeOnlineDeviceNum(Integer areaCode) {
         List<DisposeDevice> disposeDevices = disposeDeviceManagerService.getAllDisposeDevice();
         return (int) disposeDevices.stream()
-                                   .filter(v -> v.getAreaCode().equals(areaCode))
-                                   .filter(k -> disposeAbilityRouterService.getAbilityDevice(k.getId())
-                                                                           .getDb()
-                                                                           .getDeviceLinkStatus())
-                                   .count();
+            .filter(v -> v.getAreaCode().equals(areaCode))
+            .filter(k -> disposeAbilityRouterService.getAbilityDevice(k.getId())
+                .getDb()
+                .getDeviceLinkStatus())
+            .count();
     }
 
     /**
@@ -90,10 +92,10 @@ public class AreaCodeManagerServiceImpl implements AreaCodeManagerService {
     public DisposeCapacityType[] getAreaCodeSupportCapacity(Integer areaCode) {
         List<DisposeDevice> disposeDevices = disposeDeviceManagerService.getAllDisposeDevice();
         return disposeDevices.stream()
-                             .filter(v -> v.getAreaCode().equals(areaCode))
-                             .flatMap(k -> k.getDevCapacity().stream()
-                                            .map(DisposeCapacity::getCapacityType))
-                             .distinct()
-                             .toArray(DisposeCapacityType[]::new);
+            .filter(v -> v.getAreaCode().equals(areaCode))
+            .flatMap(k -> k.getDevCapacity().stream()
+                .map(DisposeCapacity::getCapacityType))
+            .distinct()
+            .toArray(DisposeCapacityType[]::new);
     }
 }