diff --git a/src/test/java/com/dispose/test/debug/demo.java b/src/test/java/com/dispose/test/debug/demo.java
new file mode 100644
index 00000000..f2c74531
--- /dev/null
+++ b/src/test/java/com/dispose/test/debug/demo.java
@@ -0,0 +1,28 @@
+package com.dispose.test.debug;
+
+import com.dispose.pojo.vo.common.IDArrayReq;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@Slf4j
+public class demo {
+    @Test
+    public void a1_IDIDArrayReqTest() throws JsonProcessingException {
+        String json = "{\"id\":[\"1\", \"123\", \"1234\", \"1234\"]}";
+        String json2 = "{\"id\":[\"1\", \"123\", \"1234\"]}";
+        String json3 = "{\"id\":[\"\", \"1\", \"123\", \"1234\"]}";
+
+
+        IDArrayReq id = new ObjectMapper().readValue(json3, IDArrayReq.class);
+        Assert.assertEquals(id.getId().length, 1);
+        id = new ObjectMapper().readValue(json2, IDArrayReq.class);
+        Assert.assertEquals(id.getId().length, 3);
+        id = new ObjectMapper().readValue(json, IDArrayReq.class);
+        Assert.assertEquals(id.getId().length, 3);
+    }
+}