diff --git a/bocloud.cos.service/src/main/java/com/bocloud/cos/service/ResourceScreenServiceImpl.java b/bocloud.cos.service/src/main/java/com/bocloud/cos/service/ResourceScreenServiceImpl.java
index 7db4155..016270d 100644
--- a/bocloud.cos.service/src/main/java/com/bocloud/cos/service/ResourceScreenServiceImpl.java
+++ b/bocloud.cos.service/src/main/java/com/bocloud/cos/service/ResourceScreenServiceImpl.java
@@ -138,7 +138,7 @@ public class ResourceScreenServiceImpl implements ResourceScreenService {
                         cpuTotal += config.getCpuCore() * config.getCpuAmount() * excessRatio;
                         memTotal += config.getMemoryCapacity().longValue() * excessRatio;
                     } else {
-                        cpuTotal += (long) config.getCpuCore() * config.getCpuAmount();
+                        cpuTotal += (long) config.getCpuCore() * Optional.ofNullable(config.getCpuAmount()).orElse(0);
                         memTotal += config.getMemoryCapacity().longValue();
                     }
                     diskTotal += config.getDiskCapacity().intValue();
@@ -149,7 +149,7 @@ public class ResourceScreenServiceImpl implements ResourceScreenService {
                             .collect(Collectors.toList());
             for (com.bocloud.ims.entity.resource.Server opServer : opServers) {
                 com.bocloud.ims.entity.resource.ServerConfig config = opServer.getConfig();
-                cpuTotal += (long) config.getCpuCore() * config.getCpuAmount();
+                cpuTotal += (long) config.getCpuCore() * Optional.ofNullable(config.getCpuAmount()).orElse(0);
                 diskTotal += config.getDiskCapacity().intValue();
                 memTotal += config.getMemoryCapacity().longValue();
             }