diff --git a/src/main/java/com/alibaba/fastjson/parser/deserializer/Jdk8DateCodec.java b/src/main/java/com/alibaba/fastjson/parser/deserializer/Jdk8DateCodec.java
index 0769362455..a484cd5ea5 100644
--- a/src/main/java/com/alibaba/fastjson/parser/deserializer/Jdk8DateCodec.java
+++ b/src/main/java/com/alibaba/fastjson/parser/deserializer/Jdk8DateCodec.java
@@ -46,6 +46,9 @@ public class Jdk8DateCodec extends ContextObjectDeserializer implements ObjectSe
     private final static DateTimeFormatter formatter_d10_de   = DateTimeFormatter.ofPattern("dd.MM.yyyy");
     private final static DateTimeFormatter formatter_d10_in   = DateTimeFormatter.ofPattern("dd-MM-yyyy");
 
+    private final static DateTimeFormatter ISO_FIXED_FORMAT =
+            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").withZone(ZoneId.systemDefault());
+
     private final static String formatter_iso8601_pattern     = "yyyy-MM-dd'T'HH:mm:ss";
     private final static DateTimeFormatter formatter_iso8601  = DateTimeFormatter.ofPattern(formatter_iso8601_pattern);
 
@@ -58,7 +61,11 @@ public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName, S
 
             DateTimeFormatter formatter = null;
             if (format != null) {
-                formatter = DateTimeFormatter.ofPattern(format);
+                if (defaultPatttern.equals(format)) {
+                    formatter = defaultFormatter;
+                } else {
+                    formatter = DateTimeFormatter.ofPattern(format);
+                }
             }
 
             if (type == LocalDateTime.class) {
@@ -92,7 +99,11 @@ public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName, S
                 }
                 return (T) localDate;
             } else if (type == ZonedDateTime.class) {
-                ZonedDateTime zonedDateTime = ZonedDateTime.parse(text);
+                if (formatter == defaultFormatter) {
+                    formatter = ISO_FIXED_FORMAT;
+                }
+
+                ZonedDateTime zonedDateTime = parseZonedDateTime(text, formatter);
 
                 return (T) zonedDateTime;
             } else if (type == OffsetDateTime.class) {
@@ -253,6 +264,76 @@ protected LocalDate parseLocalDate(String text, String format, DateTimeFormatter
             : LocalDate.parse(text, formatter);
     }
 
+    protected ZonedDateTime parseZonedDateTime(String text, DateTimeFormatter formatter) {
+        if (formatter == null) {
+            if (text.length() == 19) {
+                char c4 = text.charAt(4);
+                char c7 = text.charAt(7);
+                char c10 = text.charAt(10);
+                char c13 = text.charAt(13);
+                char c16 = text.charAt(16);
+                if (c13 == ':' && c16 == ':') {
+                    if (c4 == '-' && c7 == '-') {
+                        if (c10 == 'T') {
+                            formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
+                        } else if (c10 == ' ') {
+                            formatter = defaultFormatter;
+                        }
+                    } else if (c4 == '-' && c7 == '-') {
+                        formatter = defaultFormatter;
+                    } else if (c4 == '/' && c7 == '/') { // tw yyyy/mm/dd
+                        formatter = formatter_dt19_tw;
+                    } else {
+                        char c0 = text.charAt(0);
+                        char c1 = text.charAt(1);
+                        char c2 = text.charAt(2);
+                        char c3 = text.charAt(3);
+                        char c5 = text.charAt(5);
+                        if (c2 == '/' && c5 == '/') { // mm/dd/yyyy or mm/dd/yyyy
+                            int v0 = (c0 - '0') * 10 + (c1 - '0');
+                            int v1 = (c3 - '0') * 10 + (c4 - '0');
+                            if (v0 > 12) {
+                                formatter = formatter_dt19_eur;
+                            } else if (v1 > 12) {
+                                formatter = formatter_dt19_us;
+                            } else {
+                                String country = Locale.getDefault().getCountry();
+
+                                if (country.equals("US")) {
+                                    formatter = formatter_dt19_us;
+                                } else if (country.equals("BR") //
+                                        || country.equals("AU")) {
+                                    formatter = formatter_dt19_eur;
+                                }
+                            }
+                        } else if (c2 == '.' && c5 == '.') { // dd.mm.yyyy
+                            formatter = formatter_dt19_de;
+                        } else if (c2 == '-' && c5 == '-') { // dd-mm-yyyy
+                            formatter = formatter_dt19_in;
+                        }
+                    }
+                }
+            }
+
+            if (text.length() >= 17) {
+                char c4 = text.charAt(4);
+                if (c4 == '年') {
+                    if (text.charAt(text.length() - 1) == '秒') {
+                        formatter = formatter_dt19_cn_1;
+                    } else {
+                        formatter = formatter_dt19_cn;
+                    }
+                } else if (c4 == '년') {
+                    formatter = formatter_dt19_kr;
+                }
+            }
+        }
+
+        return formatter == null ? //
+                ZonedDateTime.parse(text) //
+                : ZonedDateTime.parse(text, formatter);
+    }
+
     public int getFastMatchToken() {
         return JSONToken.LITERAL_STRING;
     }
diff --git a/src/test/java/com/alibaba/json/bvt/jdk8/ZonedDateTimeTest2.java b/src/test/java/com/alibaba/json/bvt/jdk8/ZonedDateTimeTest2.java
new file mode 100644
index 0000000000..c5f45626cd
--- /dev/null
+++ b/src/test/java/com/alibaba/json/bvt/jdk8/ZonedDateTimeTest2.java
@@ -0,0 +1,30 @@
+package com.alibaba.json.bvt.jdk8;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.annotation.JSONField;
+import junit.framework.TestCase;
+import org.junit.Assert;
+
+import java.time.ZonedDateTime;
+import java.time.temporal.TemporalField;
+
+public class ZonedDateTimeTest2 extends TestCase {
+
+    public void test_for_issue() throws Exception {
+        VO vo = new VO();
+        vo.date = ZonedDateTime.now();
+        
+        String text = JSON.toJSONString(vo);
+        System.out.println(text);
+        
+        VO vo1 = JSON.parseObject(text, VO.class);
+        
+        Assert.assertEquals(vo.date.getSecond(), vo1.date.getSecond());
+    }
+
+    public static class VO {
+        @JSONField(format="yyyy-MM-dd HH:mm:ss")
+        public ZonedDateTime date;
+
+    }
+}