diff --git a/src/main/java/org/bdware/sc/ContractManager.java b/src/main/java/org/bdware/sc/ContractManager.java
index 7f03415..8ef572d 100644
--- a/src/main/java/org/bdware/sc/ContractManager.java
+++ b/src/main/java/org/bdware/sc/ContractManager.java
@@ -75,7 +75,6 @@ public class ContractManager {
             Executors.newScheduledThreadPool(10);
 
 
-
     public static int logStage = 0;
     public static Sigar sigar = null; // 获取network等资源什么
 
@@ -1674,11 +1673,14 @@ public class ContractManager {
                     if (o2.id.equals(firstID)) {
                         return 1;
                     }
-                    if (o1.name != null && o2.name != null) {
-                        return o1.name.compareTo(o2.name);
-                    } else {
-                        return -1;
-                    }
+                    String str1 = o1.name;
+                    String str2 = o2.name;
+                    if (o1.name == null)
+                        str1 = "";
+                    if (o2.name == null)
+                        str2 = "";
+                    return str1.compareTo(str2);
+
                 });
     }