diff --git a/src/test/java/com/alibaba/json/bvt/issue_1400/Issue1450.java b/src/test/java/com/alibaba/json/bvt/issue_1400/Issue1450.java
new file mode 100644
index 0000000000..26f322edc5
--- /dev/null
+++ b/src/test/java/com/alibaba/json/bvt/issue_1400/Issue1450.java
@@ -0,0 +1,14 @@
+package com.alibaba.json.bvt.issue_1400;
+
+import com.alibaba.fastjson.JSON;
+import junit.framework.TestCase;
+
+import java.time.LocalDateTime;
+
+public class Issue1450 extends TestCase {
+    public void test_for_issue() throws Exception {
+        LocalDateTime localDateTime = LocalDateTime.of(2018, 8, 31, 15, 26, 37, 1);
+        String json = JSON.toJSONStringWithDateFormat(localDateTime, "yyyy-MM-dd HH:mm:ss");//2018-08-31T15:26:37.000000001
+        assertEquals("\"2018-08-31 15:26:37\"", json);
+    }
+}