diff --git a/README.md b/README.md
index 94bbbad5e..ef7ff695b 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ public class DemoDataListener implements ReadListener<DemoData> {
 
     @Override
     public void invoke(DemoData data, AnalysisContext context) {
-        System.out.println("Parsed a data entry" + JSON.toJSONString(data));
+        System.out.println("Parsed a data entry" + data);
     }
 
     @Override
diff --git a/README_CN.md b/README_CN.md
index a6633405d..14fc615d4 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -93,7 +93,7 @@ public class DemoDataListener implements ReadListener<DemoData> {
 
     @Override
     public void invoke(DemoData data, AnalysisContext context) {
-        System.out.println("解析了一条数据" + JSON.toJSONString(data));
+        System.out.println("解析了一条数据" + data);
     }
 
     @Override
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/converter/ExtraDataListener.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/converter/ExtraDataListener.java
index 667bf3290..ef895fd43 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/converter/ExtraDataListener.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/converter/ExtraDataListener.java
@@ -25,7 +25,6 @@
 
 package org.apache.fesod.sheet.converter;
 
-import com.alibaba.fastjson2.JSON;
 import java.util.ArrayList;
 import java.util.List;
 import lombok.Getter;
@@ -51,7 +50,7 @@ public void doAfterAllAnalysed(AnalysisContext context) {}
 
     @Override
     public void extra(CellExtra extra, AnalysisContext context) {
-        log.info("extra data:{}", JSON.toJSONString(extra));
+        log.info("extra data:{}", extra);
         extras.add(extra);
     }
 }
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CompatibilityTest.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CompatibilityTest.java
index 0ecd7d3d9..9c5668cb3 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CompatibilityTest.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CompatibilityTest.java
@@ -25,7 +25,6 @@
 
 package org.apache.fesod.sheet.format;
 
-import com.alibaba.fastjson2.JSON;
 import java.io.File;
 import java.math.BigDecimal;
 import java.nio.file.Files;
@@ -67,7 +66,7 @@ public void readXlsWithSpecialCharacters() {
     public void readXlsxWithSharedStringNamespace() {
         // Exist in `sharedStrings.xml` `x:t` start tag, need to be compatible
         List<Map<Integer, Object>> list = readCompatibilityFile("t02.xlsx", 0);
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals(3, list.size());
         Map<Integer, Object> row2 = list.get(2);
         Assertions.assertEquals("1，2-戊二醇", row2.get(2));
@@ -77,7 +76,7 @@ public void readXlsxWithSharedStringNamespace() {
     public void readXlsxIgnoreNullColumns() {
         // In the presence of the first line of a lot of null columns, ignore null columns
         List<Map<Integer, Object>> list = readCompatibilityFile("t03.xlsx");
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals(1, list.size());
         Map<Integer, Object> row0 = list.get(0);
         Assertions.assertEquals(12, row0.size());
@@ -87,7 +86,7 @@ public void readXlsxIgnoreNullColumns() {
     public void readXlsxWithNamespacedTag() {
         // Exist in `sheet1.xml` `ns2:t` start tag, need to be compatible
         List<Map<Integer, Object>> list = readCompatibilityFile("t04.xlsx");
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals(56, list.size());
         Map<Integer, Object> row0 = list.get(0);
         Assertions.assertEquals("QQSJK28F152A012242S0081", row0.get(5));
@@ -97,7 +96,7 @@ public void readXlsxWithNamespacedTag() {
     public void readXlsxDateRounding() {
         // Excel read date needs to be rounded
         List<Map<Integer, String>> list = readCompatibilityFile("t05.xlsx");
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals("2023-01-01 00:00:00", list.get(0).get(0));
         Assertions.assertEquals("2023-01-01 00:00:00", list.get(1).get(0));
         Assertions.assertEquals("2023-01-01 00:00:00", list.get(2).get(0));
@@ -109,7 +108,7 @@ public void readXlsxDateRounding() {
     public void readXlsxPrecisionFormat() {
         // Keep error precision digital format
         List<Map<Integer, String>> list = readCompatibilityFile("t06.xlsx", 0);
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals("2087.03", list.get(0).get(2));
     }
 
@@ -120,12 +119,12 @@ public void readXlsxActualDataReturn() {
                 .readDefaultReturn(ReadDefaultReturnEnum.ACTUAL_DATA)
                 .sheet()
                 .doReadSync();
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals(0, new BigDecimal("24.1998124").compareTo((BigDecimal)
                         list.get(0).get(11)));
 
         list = readCompatibilityFile("t07.xlsx");
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals("24.20", list.get(0).get(11));
     }
 
@@ -158,7 +157,7 @@ public void readXlsxWithEscapeSequence() {
         File file = compatibilityFile("t09.xlsx");
         List<Map<Integer, Object>> list =
                 FesodSheet.read(file).headRowNumber(0).sheet().doReadSync();
-        log.info("data:{}", JSON.toJSONString(list));
+        log.info("data:{}", list);
         Assertions.assertEquals(1, list.size());
 
         Assertions.assertEquals("SH_x000D_Z002", list.get(0).get(0));
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CsvDataListener.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CsvDataListener.java
index 3d5038580..5e059d2ec 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CsvDataListener.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/format/CsvDataListener.java
@@ -19,7 +19,6 @@
 
 package org.apache.fesod.sheet.format;
 
-import com.alibaba.fastjson2.JSON;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.fesod.sheet.context.AnalysisContext;
 import org.apache.fesod.sheet.event.AnalysisEventListener;
@@ -43,7 +42,7 @@ public void onException(Exception exception, AnalysisContext context) {
 
     @Override
     public void invoke(Object data, AnalysisContext context) {
-        log.info("data:{}", JSON.toJSONString(data));
+        log.info("data:{}", data);
     }
 
     @Override
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadReadListener.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadReadListener.java
index e55f9d3c6..95404707e 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadReadListener.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadReadListener.java
@@ -19,8 +19,6 @@
 
 package org.apache.fesod.sheet.head;
 
-import com.alibaba.fastjson2.JSON;
-import com.alibaba.fastjson2.JSONWriter;
 import java.util.Map;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.fesod.sheet.context.AnalysisContext;
@@ -38,7 +36,7 @@ public void invoke(Map<Integer, String> data, AnalysisContext context) {
 
     @Override
     public void doAfterAllAnalysed(AnalysisContext context) {
-        log.info("origin head : {}", JSON.toJSONString(headTitleMap, JSONWriter.Feature.WriteMapNullValue));
+        log.info("origin head : {}", headTitleMap);
         log.info("max not empty head size : {}", context.readSheetHolder().getMaxNotEmptyDataHeadSize());
     }
 
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadSizeTest.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadSizeTest.java
index 92bdba104..cbd925a85 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadSizeTest.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/head/MaxHeadSizeTest.java
@@ -19,8 +19,6 @@
 
 package org.apache.fesod.sheet.head;
 
-import com.alibaba.fastjson2.JSON;
-import com.alibaba.fastjson2.JSONWriter;
 import java.io.File;
 import java.util.List;
 import java.util.Map;
@@ -66,7 +64,7 @@ private void readFileWithMap(File file, int expectHeadSize) {
         // default
         dataList = FesodSheet.read(file).excelType(ExcelTypeEnum.XLSX).sheet().doReadSync();
         dataList.forEach(d -> {
-            log.info(JSON.toJSONString(d, JSONWriter.Feature.WriteMapNullValue));
+            log.info("{}", d);
             Assertions.assertTrue(d.size() >= expectHeadSize);
         });
 
@@ -76,7 +74,7 @@ private void readFileWithMap(File file, int expectHeadSize) {
                 .sheet()
                 .doReadSync();
         dataList.forEach(d -> {
-            log.info(JSON.toJSONString(d, JSONWriter.Feature.WriteMapNullValue));
+            log.info("{}", d);
             Assertions.assertTrue(d.size() >= expectHeadSize);
         });
     }
@@ -88,7 +86,7 @@ private void readFileWithPOJO(File file) {
                 .sheet()
                 .doReadSync();
         dataList.forEach(d -> {
-            log.info(JSON.toJSONString(d, JSONWriter.Feature.WriteMapNullValue));
+            log.info("{}", d);
         });
     }
 
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/AutoStripParameterTest.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/AutoStripParameterTest.java
index c5bf6f959..a931c0de5 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/AutoStripParameterTest.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/AutoStripParameterTest.java
@@ -19,7 +19,6 @@
 
 package org.apache.fesod.sheet.readwrite;
 
-import com.alibaba.fastjson2.JSON;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
@@ -111,7 +110,7 @@ private void testAutoStripSheetNameInternal(
                 .registerReadListenerIfNotNull(new AnalysisEventListener<SimpleData>() {
                     @Override
                     public void invoke(SimpleData data, AnalysisContext context) {
-                        log.info("Read one record: {}", JSON.toJSONString(data));
+                        log.info("Read one record: {}", data);
                     }
 
                     @Override
@@ -175,7 +174,7 @@ private void testAutoStripContentInternal(
                 .sheet()
                 .doReadSync();
 
-        log.info("Read records: {}", JSON.toJSONString(dataList));
+        log.info("Read records: {}", dataList);
         Assertions.assertEquals(2, dataList.size());
         if (Boolean.TRUE.equals(autoStrip)) {
             Assertions.assertEquals(
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/ExceptionDataListener.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/ExceptionDataListener.java
index b3d881e6d..786276183 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/ExceptionDataListener.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/ExceptionDataListener.java
@@ -25,7 +25,6 @@
 
 package org.apache.fesod.sheet.readwrite;
 
-import com.alibaba.fastjson2.JSON;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -72,7 +71,7 @@ public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context)
     @Override
     public void doAfterAllAnalysed(AnalysisContext context) {
         if (!list.isEmpty()) {
-            log.debug("First row:{}", JSON.toJSONString(list.get(0)));
+            log.debug("First row:{}", list.get(0));
         }
     }
 }
diff --git a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/LargeDataListener.java b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/LargeDataListener.java
index da0d32cb7..59f349d0d 100644
--- a/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/LargeDataListener.java
+++ b/fesod-sheet/src/test/java/org/apache/fesod/sheet/readwrite/LargeDataListener.java
@@ -25,7 +25,6 @@
 
 package org.apache.fesod.sheet.readwrite;
 
-import com.alibaba.fastjson2.JSON;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.fesod.sheet.context.AnalysisContext;
@@ -42,11 +41,11 @@ public class LargeDataListener extends AnalysisEventListener<LargeData> {
     @Override
     public void invoke(LargeData data, AnalysisContext context) {
         if (count == 0) {
-            log.info("First row:{}", JSON.toJSONString(data));
+            log.info("First row:{}", data);
         }
         count++;
         if (count % 100000 == 0) {
-            log.info("Already read:{},{}", count, JSON.toJSONString(data));
+            log.info("Already read:{},{}", count, data);
         }
     }
 
diff --git a/pom.xml b/pom.xml
index e86a0d643..e2486b6fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,6 @@ under the License.
         <slf4j-api.version>2.0.20</slf4j-api.version>
         <lombok.version>1.18.44</lombok.version>
         <spring-core.version>5.3.39</spring-core.version>
-        <fastjson2.version>2.0.65</fastjson2.version>
         <spring-boot-starter-web.version>2.7.18</spring-boot-starter-web.version>
         <slf4j-simple.version>2.0.20</slf4j-simple.version>
         <jcl-over-slf4j.version>2.0.20</jcl-over-slf4j.version>
@@ -206,11 +205,6 @@ under the License.
                 <artifactId>spring-core</artifactId>
                 <version>${spring-core.version}</version>
             </dependency>
-            <dependency>
-                <groupId>com.alibaba.fastjson2</groupId>
-                <artifactId>fastjson2</artifactId>
-                <version>${fastjson2.version}</version>
-            </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>jcl-over-slf4j</artifactId>
@@ -308,11 +302,6 @@ under the License.
             <scope>provided</scope>
         </dependency>
         <!-- test -->
-        <dependency>
-            <groupId>com.alibaba.fastjson2</groupId>
-            <artifactId>fastjson2</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>