diff --git a/litemall-core/src/main/java/org/linlinjava/litemall/core/express/dao/ExpressInfo.java b/litemall-core/src/main/java/org/linlinjava/litemall/core/express/dao/ExpressInfo.java
index 458e9091..9d26b4db 100644
--- a/litemall-core/src/main/java/org/linlinjava/litemall/core/express/dao/ExpressInfo.java
+++ b/litemall-core/src/main/java/org/linlinjava/litemall/core/express/dao/ExpressInfo.java
@@ -85,4 +85,17 @@ public class ExpressInfo {
     public void setShipperName(String shipperName) {
         ShipperName = shipperName;
     }
+
+    @Override
+    public String toString() {
+        return "ExpressInfo{" +
+                "LogisticCode='" + LogisticCode + '\'' +
+                ", ShipperCode='" + ShipperCode + '\'' +
+                ", Traces=" + Traces +
+                ", State='" + State + '\'' +
+                ", EBusinessID='" + EBusinessID + '\'' +
+                ", Success=" + Success +
+                ", ShipperName='" + ShipperName + '\'' +
+                '}';
+    }
 }
\ No newline at end of file
diff --git a/litemall-core/src/test/java/org/linlinjava/litemall/core/ExpressTest.java b/litemall-core/src/test/java/org/linlinjava/litemall/core/ExpressTest.java
index ce05ce6a..4bb0d40d 100644
--- a/litemall-core/src/test/java/org/linlinjava/litemall/core/ExpressTest.java
+++ b/litemall-core/src/test/java/org/linlinjava/litemall/core/ExpressTest.java
@@ -4,6 +4,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.linlinjava.litemall.core.express.ExpressService;
 import org.linlinjava.litemall.core.express.dao.ExpressInfo;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
@@ -12,10 +13,11 @@ import org.springframework.test.context.web.WebAppConfiguration;
 @RunWith(SpringJUnit4ClassRunner.class)
 @SpringBootTest(classes = Application.class)
 public class ExpressTest {
+    @Autowired
+    private ExpressService expressService;
 
     @Test
     public void test() {
-        ExpressService expressService = new ExpressService();
         ExpressInfo ei = null;
         try {
             ei = expressService.getExpressInfo("YTO", "800669400640887922");