diff --git a/src/main/java/org/minbox/framework/sequence/leaf/common/PropertyFactory.java b/src/main/java/org/minbox/framework/sequence/leaf/common/PropertyFactory.java
index f2e4a8d..e26aa91 100644
--- a/src/main/java/org/minbox/framework/sequence/leaf/common/PropertyFactory.java
+++ b/src/main/java/org/minbox/framework/sequence/leaf/common/PropertyFactory.java
@@ -4,8 +4,12 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Properties;
 
+/**
+ * 加载 leaf.properties
+ */
 public class PropertyFactory {
 
     private static final Logger logger = LoggerFactory.getLogger(PropertyFactory.class);
@@ -18,8 +22,10 @@ public static void setLeafName(String leafName){
     }
 
     static {
-        try {
-            prop.load(PropertyFactory.class.getClassLoader().getResourceAsStream("leaf.properties"));
+        try (InputStream resourceAsStream = PropertyFactory.class.getClassLoader().getResourceAsStream("leaf.properties")) {
+            if (resourceAsStream != null) {
+                prop.load(resourceAsStream);
+            }
         } catch (IOException e) {
             logger.warn("Load Properties Ex", e);
         }
diff --git a/src/test/java/org/minbox/framework/sequence/id/leaf/SnowflakeIDGenImplTest.java b/src/test/java/org/minbox/framework/sequence/id/leaf/SnowflakeIDGenImplTest.java
index f0b7431..07ad2c1 100644
--- a/src/test/java/org/minbox/framework/sequence/id/leaf/SnowflakeIDGenImplTest.java
+++ b/src/test/java/org/minbox/framework/sequence/id/leaf/SnowflakeIDGenImplTest.java
@@ -5,19 +5,25 @@
 import org.minbox.framework.sequence.leaf.exception.InitException;
 import org.minbox.framework.sequence.leaf.facade.LeafSnowflakeSequenceGen;
 
-import java.util.Properties;
-
 public class SnowflakeIDGenImplTest {
     @Test
     public void testGetId() throws InitException {
-        Properties properties = PropertyFactory.getProperties();
-        PropertyFactory.setLeafName(properties.getProperty("snawflake.name"));
-        LeafSnowflakeSequenceGen sequenceGen = new LeafSnowflakeSequenceGen(properties.getProperty("zk.list")
-                , Integer.parseInt(properties.getProperty("snowflake.port")));
+        // Properties properties = PropertyFactory.getProperties();
+        // PropertyFactory.setLeafName(properties.getProperty("snawflake.name"));
+        LeafSnowflakeSequenceGen sequenceGen = new LeafSnowflakeSequenceGen("dev-zk.lls.com:2181"
+                , 8688);
         for (int i = 1; i < 1000; ++i) {
             long a = sequenceGen.get("a");
             System.out.println(a);
         }
 
     }
+
+    /**
+     * 当 properties 文件不存在的时候防止启动报错
+     */
+    @Test
+    public void testProperties() {
+        PropertyFactory.getProperties().getProperty("ss");
+    }
 }
\ No newline at end of file