diff --git a/README.md b/README.md
index 9664d654..604823f9 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,15 @@ EasyExcel
 [![Maven central](https://maven-badges.herokuapp.com/maven-central/com.alibaba/easyexcel/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.alibaba/easyexcel)
 [![License](http://img.shields.io/:license-apache-brightgreen.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)
 
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-[官方网站: https://yuque.com/easyexcel](https://www.yuque.com/easyexcel/doc/easyexcel)
+[QQ1群(已满): 662022184](https://jq.qq.com/?_wv=1027&k=1T21jJxh)  
+[QQ2群(已满): 1097936804](https://jq.qq.com/?_wv=1027&k=j5zEy6Xl)  
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+[钉钉5群: 32134498](https://h5.dingtalk.com/circle/healthCheckin.html?dtaction=os&corpId=dingb9fa1325d9dccc3ecac589edd02f1650&5233a=71a83&cbdbhh=qwertyuiop)  
+[官方网站: https://yuque.com/easyexcel](https://www.yuque.com/easyexcel/doc/easyexcel)  
 
 [常见问题](https://www.yuque.com/easyexcel/faq)
 #### 因为公司不方便用QQ，所以建议加钉钉群
@@ -29,7 +31,7 @@ Java解析、生成Excel比较有名的框架有Apache poi、jxl。但他们都
 * [贡献代码](https://www.yuque.com/easyexcel/doc/contribute)
 
 ## 维护者
-玉霄、庄家钜、怀宇
+姬朋飞（玉霄)、庄家钜、怀宇
 ## 快速开始
 ### 读Excel
 DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/java/com/alibaba/easyexcel/demo/read/ReadTest.java](/src/test/java/com/alibaba/easyexcel/test/demo/read/ReadTest.java)
diff --git a/src/main/java/com/alibaba/excel/analysis/v07/handlers/AbstractCellValueTagHandler.java b/src/main/java/com/alibaba/excel/analysis/v07/handlers/AbstractCellValueTagHandler.java
index e37ea6bc..5cc75cdc 100644
--- a/src/main/java/com/alibaba/excel/analysis/v07/handlers/AbstractCellValueTagHandler.java
+++ b/src/main/java/com/alibaba/excel/analysis/v07/handlers/AbstractCellValueTagHandler.java
@@ -43,7 +43,7 @@ public abstract class AbstractCellValueTagHandler extends AbstractXlsxTagHandler
                     break;
                 }
                 tempCellData.setType(CellDataTypeEnum.NUMBER);
-                tempCellData.setNumberValue(new BigDecimal(tempData.toString()));
+                tempCellData.setNumberValue(BigDecimal.valueOf(Double.parseDouble(tempDataString)));
                 break;
             default:
                 throw new IllegalStateException("Cannot set values now");
diff --git a/src/main/java/com/alibaba/excel/converters/string/StringNumberConverter.java b/src/main/java/com/alibaba/excel/converters/string/StringNumberConverter.java
index 4c3bbc59..0d0813d0 100644
--- a/src/main/java/com/alibaba/excel/converters/string/StringNumberConverter.java
+++ b/src/main/java/com/alibaba/excel/converters/string/StringNumberConverter.java
@@ -51,7 +51,7 @@ public class StringNumberConverter implements Converter<String> {
             && cellData.getDataFormatData().getIndex() != null && !StringUtils.isEmpty(
             cellData.getDataFormatData().getFormat());
         if (hasDataFormatData) {
-            return NumberDataFormatterUtils.format(cellData.getNumberValue().doubleValue(),
+            return NumberDataFormatterUtils.format(cellData.getNumberValue(),
                 cellData.getDataFormatData().getIndex(), cellData.getDataFormatData().getFormat(), globalConfiguration);
         }
         // Default conversion number
diff --git a/src/main/java/com/alibaba/excel/metadata/format/DataFormatter.java b/src/main/java/com/alibaba/excel/metadata/format/DataFormatter.java
index aebbf4fc..bf76404f 100644
--- a/src/main/java/com/alibaba/excel/metadata/format/DataFormatter.java
+++ b/src/main/java/com/alibaba/excel/metadata/format/DataFormatter.java
@@ -642,8 +642,8 @@ public class DataFormatter {
      * @param dataFormatString
      * @return a formatted number string
      */
-    private String getFormattedNumberString(Double data, Short dataFormat, String dataFormatString) {
-        Format numberFormat = getFormat(data, dataFormat, dataFormatString);
+    private String getFormattedNumberString(BigDecimal data, Short dataFormat, String dataFormatString) {
+        Format numberFormat = getFormat(data.doubleValue(), dataFormat, dataFormatString);
         String formatted = numberFormat.format(data);
         return formatted.replaceFirst("E(\\d)", "E+$1"); // to match Excel's E-notation
     }
@@ -656,9 +656,9 @@ public class DataFormatter {
      * @param dataFormatString
      * @return
      */
-    public String format(Double data, Short dataFormat, String dataFormatString) {
+    public String format(BigDecimal data, Short dataFormat, String dataFormatString) {
         if (DateUtils.isADateFormat(dataFormat, dataFormatString)) {
-            return getFormattedDateString(data, dataFormat, dataFormatString);
+            return getFormattedDateString(data.doubleValue(), dataFormat, dataFormatString);
         }
         return getFormattedNumberString(data, dataFormat, dataFormatString);
     }
diff --git a/src/main/java/com/alibaba/excel/util/NumberDataFormatterUtils.java b/src/main/java/com/alibaba/excel/util/NumberDataFormatterUtils.java
index f9a8ee23..640fd07f 100644
--- a/src/main/java/com/alibaba/excel/util/NumberDataFormatterUtils.java
+++ b/src/main/java/com/alibaba/excel/util/NumberDataFormatterUtils.java
@@ -2,6 +2,8 @@ package com.alibaba.excel.util;
 
 import java.util.Locale;
 
+import java.math.BigDecimal;
+
 import com.alibaba.excel.metadata.format.DataFormatter;
 import com.alibaba.excel.metadata.GlobalConfiguration;
 
@@ -26,7 +28,7 @@ public class NumberDataFormatterUtils {
      * @param globalConfiguration
      * @return
      */
-    public static String format(Double data, Short dataFormat, String dataFormatString,
+    public static String format(BigDecimal data, Short dataFormat, String dataFormatString,
         GlobalConfiguration globalConfiguration) {
         if (globalConfiguration == null) {
             return format(data, dataFormat, dataFormatString, null, null, null);
diff --git a/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java b/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
index a1a17e80..ec256213 100644
--- a/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
+++ b/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
@@ -13,6 +13,9 @@ import org.junit.FixMethodOrder;
 import org.junit.Test;
 import org.junit.runners.MethodSorters;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * @author Jiaju Zhuang
  */
@@ -43,6 +46,14 @@ public class DateFormatTest {
     private void readCn(File file) {
         List<DateFormatData> list =
             EasyExcel.read(file, DateFormatData.class, null).locale(Locale.CHINA).sheet().doReadSync();
+        for (DateFormatData data : list) {
+            if (data.getDateStringCn() != null && !data.getDateStringCn().equals(data.getDate())) {
+                LOGGER.info("date:cn:{},{}", data.getDateStringCn(), data.getDate());
+            }
+            if (data.getNumberStringCn() != null && !data.getNumberStringCn().equals(data.getNumber())) {
+                LOGGER.info("number:cn{},{}", data.getNumberStringCn(), data.getNumber());
+            }
+        }
         for (DateFormatData data : list) {
             Assert.assertEquals(data.getDateStringCn(), data.getDate());
             Assert.assertEquals(data.getNumberStringCn(), data.getNumber());
@@ -52,6 +63,14 @@ public class DateFormatTest {
     private void readUs(File file) {
         List<DateFormatData> list =
             EasyExcel.read(file, DateFormatData.class, null).locale(Locale.US).sheet().doReadSync();
+        for (DateFormatData data : list) {
+            if (data.getDateStringUs() != null && !data.getDateStringUs().equals(data.getDate())) {
+                LOGGER.info("date:us:{},{}", data.getDateStringUs(), data.getDate());
+            }
+            if (data.getNumberStringUs() != null && !data.getNumberStringUs().equals(data.getNumber())) {
+                LOGGER.info("number:us{},{}", data.getNumberStringUs(), data.getNumber());
+            }
+        }
         for (DateFormatData data : list) {
             Assert.assertEquals(data.getDateStringUs(), data.getDate());
             Assert.assertEquals(data.getNumberStringUs(), data.getNumber());
diff --git a/src/test/java/com/alibaba/easyexcel/test/core/encrypt/EncryptDataTest.java b/src/test/java/com/alibaba/easyexcel/test/core/encrypt/EncryptDataTest.java
index d2c12a70..b7f63cf0 100644
--- a/src/test/java/com/alibaba/easyexcel/test/core/encrypt/EncryptDataTest.java
+++ b/src/test/java/com/alibaba/easyexcel/test/core/encrypt/EncryptDataTest.java
@@ -3,6 +3,9 @@ package com.alibaba.easyexcel.test.core.encrypt;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -17,7 +20,6 @@ import org.junit.Test;
 import org.junit.runners.MethodSorters;
 
 /**
- *
  * @author Jiaju Zhuang
  */
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
@@ -28,6 +30,15 @@ public class EncryptDataTest {
     private static File file07OutputStream;
     private static File file03OutputStream;
 
+    @Test
+    public void testformat() {
+        DecimalFormat decimalFormat = new DecimalFormat("0.00");
+        decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
+        BigDecimal bigDecimal = new BigDecimal("0.105");
+
+        System.out.println(decimalFormat.format(bigDecimal));
+    }
+
     @BeforeClass
     public static void init() {
         file07 = TestFileUtil.createNewFile("encrypt07.xlsx");
diff --git a/src/test/resources/dataformat/dataformat.xls b/src/test/resources/dataformat/dataformat.xls
index 632cb1ec..c8afd646 100644
Binary files a/src/test/resources/dataformat/dataformat.xls and b/src/test/resources/dataformat/dataformat.xls differ
diff --git a/src/test/resources/dataformat/dataformat.xlsx b/src/test/resources/dataformat/dataformat.xlsx
index 9f41f274..f77dd9fd 100644
Binary files a/src/test/resources/dataformat/dataformat.xlsx and b/src/test/resources/dataformat/dataformat.xlsx differ
diff --git a/update.md b/update.md
index 993c2762..b777133f 100644
--- a/update.md
+++ b/update.md
@@ -1,3 +1,9 @@
+# 2.2.10
+* 修复读取的时候用string接收数字 可能四舍五入不一致的bug
+
+# 2.2.9
+* 修复读取的时候用string接收数字 可能四舍五入不一致的bug
+
 # 3.0.0-beta1
 * 升级jdk8 不再支持jdk6 jdk7 
 * 升级poi 到 4.1.2