diff --git a/pom.xml b/pom.xml
index 2bfbf68f9..279d414e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,6 +66,12 @@
       <version>1.16.20</version>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.mongodb</groupId>
+      <artifactId>mongo-java-driver</artifactId>
+      <version>3.5.0</version>
+      <scope>provided</scope>
+    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
diff --git a/src/main/java/com/github/jsonzou/jmockdata/MockConfig.java b/src/main/java/com/github/jsonzou/jmockdata/MockConfig.java
index 7f66c426a..2c07e5865 100644
--- a/src/main/java/com/github/jsonzou/jmockdata/MockConfig.java
+++ b/src/main/java/com/github/jsonzou/jmockdata/MockConfig.java
@@ -15,6 +15,7 @@
 import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.util.*;
+import org.bson.types.Decimal128;
 
 /**
  * 模拟数据配置类
@@ -31,6 +32,7 @@ public class MockConfig {
   private static final DoubleMocker DOUBLE_MOCKER = new DoubleMocker();
   private static final BigIntegerMocker BIG_INTEGER_MOCKER = new BigIntegerMocker();
   private static final BigDecimalMocker BIG_DECIMAL_MOCKER = new BigDecimalMocker();
+  private static final Decimal128Mocker DECIMAL_128_MOCKER = new Decimal128Mocker();
   private static final StringMocker STRING_MOCKER = new StringMocker();
   private static final DateMocker DATE_MOCKER = new DateMocker();
   private static final LocalDateTimeMocker LOCAL_DATE_TIME_MOCKER = new LocalDateTimeMocker();
@@ -90,6 +92,7 @@ public MockConfig() {
     registerMocker(DOUBLE_MOCKER, double.class, Double.class);
     registerMocker(BIG_INTEGER_MOCKER, BigInteger.class);
     registerMocker(BIG_DECIMAL_MOCKER, BigDecimal.class);
+    registerMocker(DECIMAL_128_MOCKER, Decimal128.class);
     registerMocker(STRING_MOCKER, String.class);
     registerMocker(DATE_MOCKER, Date.class);
     registerMocker(LOCAL_DATE_TIME_MOCKER, LocalDateTime.class);
diff --git a/src/main/java/com/github/jsonzou/jmockdata/mocker/Decimal128Mocker.java b/src/main/java/com/github/jsonzou/jmockdata/mocker/Decimal128Mocker.java
new file mode 100644
index 000000000..178d9048e
--- /dev/null
+++ b/src/main/java/com/github/jsonzou/jmockdata/mocker/Decimal128Mocker.java
@@ -0,0 +1,22 @@
+package com.github.jsonzou.jmockdata.mocker;
+
+import com.github.jsonzou.jmockdata.DataConfig;
+import com.github.jsonzou.jmockdata.Mocker;
+import java.math.BigDecimal;
+import org.bson.types.Decimal128;
+
+/**
+ * Decimal128对象模拟器
+ */
+public class Decimal128Mocker implements Mocker<Decimal128> {
+
+  @Override
+  public Decimal128 mock(DataConfig mockConfig) {
+    return new Decimal128(
+        BigDecimal.valueOf(
+            mockConfig.globalConfig().getMocker(Double.class).mock(mockConfig)
+        )
+    );
+  }
+
+}
diff --git a/src/test/java/com/github/jsonzou/jmockdata/JMockDataTest.java b/src/test/java/com/github/jsonzou/jmockdata/JMockDataTest.java
index 3741dda25..9279360ae 100644
--- a/src/test/java/com/github/jsonzou/jmockdata/JMockDataTest.java
+++ b/src/test/java/com/github/jsonzou/jmockdata/JMockDataTest.java
@@ -6,6 +6,7 @@
 import com.github.jsonzou.jmockdata.bean.circular.AXB;
 import com.github.jsonzou.jmockdata.bean.enums.DayEnum;
 import com.github.jsonzou.jmockdata.bean.enums.ErrorEnum;
+import org.bson.types.Decimal128;
 import org.junit.Test;
 
 import java.lang.reflect.Field;
@@ -42,6 +43,8 @@ public void testBasic() {
     assertNotNull(str);
     DayEnum dayEnum = JMockData.mock(DayEnum.class);
     assertNotNull(dayEnum);
+    Decimal128 decimal128 = JMockData.mock(Decimal128.class);
+    assertNotNull(decimal128);
 
     try {
       JMockData.mock(ErrorEnum.class);