diff --git a/modules/core/src/main/java/com/jeesite/modules/sys/entity/Log.java b/modules/core/src/main/java/com/jeesite/modules/sys/entity/Log.java
index 1fa7f996..52a4d051 100644
--- a/modules/core/src/main/java/com/jeesite/modules/sys/entity/Log.java
+++ b/modules/core/src/main/java/com/jeesite/modules/sys/entity/Log.java
@@ -36,6 +36,7 @@ import com.jeesite.common.mybatis.mapper.query.QueryType;
 		@Column(name="request_uri", 	attrName="requestUri", 		label="请求URI", queryType=QueryType.LIKE),
 		@Column(name="request_method", 	attrName="requestMethod", 	label="操作方式"),
 		@Column(name="request_params", 	attrName="requestParams", 	label="操作提交的数据", queryType=QueryType.LIKE),
+		@Column(name="diff_modify_data",attrName="diffModifyData", 	label="差异修改数据", queryType=QueryType.LIKE),
 		@Column(name="biz_key", 		attrName="bizKey", 			label="业务主键"),
 		@Column(name="biz_type", 		attrName="bizType", 		label="业务类型"),
 		@Column(name="remote_addr", 	attrName="remoteAddr", 		label="操作IP地址"),
@@ -63,6 +64,7 @@ public class Log extends DataEntity<Log> {
 	private String requestUri;		// 请求URI
 	private String requestMethod;	// 操作方式
 	private String requestParams;	// 操作提交的数据
+	private String diffModifyData;	// 差异修改数据
 	private String bizKey;			// 业务主键
 	private String bizType;			// 业务类型
 	private String remoteAddr;		// 操作IP地址
@@ -130,6 +132,14 @@ public class Log extends DataEntity<Log> {
 		this.requestParams = requestParams;
 	}
 	
+	public String getDiffModifyData() {
+		return diffModifyData;
+	}
+
+	public void setDiffModifyData(String diffModifyData) {
+		this.diffModifyData = diffModifyData;
+	}
+
 	@Length(min=0, max=64, message="业务主键长度不能超过 64 个字符")
 	public String getBizKey() {
 		return bizKey;
@@ -220,6 +230,9 @@ public class Log extends DataEntity<Log> {
 	}
 	
 	public String getExecuteTimeFormat(){
+		if (executeTime == null) {
+			executeTime = 0L;
+		}
 		return TimeUtils.formatDateAgo(executeTime);
 	}
 
diff --git a/modules/core/src/main/java/com/jeesite/modules/sys/utils/LogUtils.java b/modules/core/src/main/java/com/jeesite/modules/sys/utils/LogUtils.java
index 57bacaf3..cde726ee 100644
--- a/modules/core/src/main/java/com/jeesite/modules/sys/utils/LogUtils.java
+++ b/modules/core/src/main/java/com/jeesite/modules/sys/utils/LogUtils.java
@@ -11,12 +11,12 @@ import java.util.concurrent.TimeUnit;
 
 import javax.servlet.http.HttpServletRequest;
 
-import io.netty.util.concurrent.DefaultThreadFactory;
 import org.apache.ibatis.mapping.SqlCommandType;
 import org.apache.shiro.authz.annotation.RequiresPermissions;
 import org.springframework.core.DefaultParameterNameDiscoverer;
 import org.springframework.core.ParameterNameDiscoverer;
 import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.web.bind.WebDataBinder;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.method.HandlerMethod;
 
@@ -29,6 +29,7 @@ import com.jeesite.common.mybatis.annotation.Column;
 import com.jeesite.common.mybatis.annotation.Table;
 import com.jeesite.common.mybatis.mapper.MapperHelper;
 import com.jeesite.common.network.IpUtils;
+import com.jeesite.common.utils.DiffDataUtils;
 import com.jeesite.common.utils.SpringUtils;
 import com.jeesite.common.web.http.UserAgentUtils;
 import com.jeesite.modules.sys.entity.Log;
@@ -37,6 +38,7 @@ import com.jeesite.modules.sys.service.LogService;
 import com.jeesite.modules.sys.service.MenuService;
 
 import eu.bitwalker.useragentutils.UserAgent;
+import io.netty.util.concurrent.DefaultThreadFactory;
 
 /**
  * 日志工具类
@@ -60,7 +62,7 @@ public class LogUtils {
 	
 	// 参数名获取工具（尝试获取标注为@ModelAttribute注解的方法，第一个参数名一般为主键名）
 	private static ParameterNameDiscoverer pnd = new DefaultParameterNameDiscoverer();
-
+	
 	/**
 	 * 保存日志
 	 */
@@ -112,9 +114,14 @@ public class LogUtils {
         if (throwable == null){
         	throwable = ExceptionUtils.getThrowable(request);
         }
+        
+        // 获取原数据和修改后的目标数据对象
+        Object sourceData = request.getAttribute(WebDataBinder.class.getName()+".SOURCE");
+        Object targetData = request.getAttribute(WebDataBinder.class.getName()+".TARGET");
 
 		// 异步保存日志
-		logThreadPool.submit(new SaveLogThread(log, handler, request.getContextPath(), throwable));
+		logThreadPool.submit(new SaveLogThread(log, handler, request.getContextPath(),
+				throwable, sourceData, targetData));
 	}
 	/**
 	 * 保存日志线程
@@ -125,12 +132,17 @@ public class LogUtils {
 		private Object handler;
 		private String contextPath;
 		private Throwable throwable;
+		private Object sourceData;
+		private Object targetData;
 		
-		public SaveLogThread(Log log, Object handler, String contextPath, Throwable throwable){
+		public SaveLogThread(Log log, Object handler, String contextPath,
+				Throwable throwable, Object sourceData, Object targetData){
 			this.log = log;
 			this.handler = handler;
 			this.contextPath = contextPath;
 			this.throwable = throwable;
+			this.sourceData = sourceData;
+			this.targetData = targetData;
 		}
 		
 		@Override
@@ -217,11 +229,15 @@ public class LogUtils {
 			if (StringUtils.isBlank(log.getRequestUri()) && StringUtils.isBlank(log.getExceptionInfo())){
 				return;
 			}
+			// 如果是修改类型的日志，则获取修改前后的差异数据
+			if (Log.TYPE_UPDATE.equals(log.getLogType()) && sourceData != null && targetData != null) {
+				log.setDiffModifyData(DiffDataUtils.getDiffData(sourceData, targetData));
+			}
 			// 保存日志信息
 			log.setIsNewRecord(true);
 			Static.logService.insertLog(log);
 			
 		}
 	}
-
+	
 }
diff --git a/modules/core/src/main/resources/views/modules/sys/logForm.html b/modules/core/src/main/resources/views/modules/sys/logForm.html
index ec977018..36316e8b 100644
--- a/modules/core/src/main/resources/views/modules/sys/logForm.html
+++ b/modules/core/src/main/resources/views/modules/sys/logForm.html
@@ -166,6 +166,12 @@
 					<#form:textarea path="exceptionInfo" rows="20" class="form-control autoHeight"/>
 				</div>
 				<% } %>
+				<% if(isNotBlank(log.diffModifyData)){ %>
+				<div class="form-unit">${text('差异修改数据')}</div>
+				<div class="ml10 mr10 mb10" style="word-break:break-all;">
+					${log.diffModifyData}
+				</div>
+				<% } %>
 			</div>
 			<div class="box-footer">
 				<div class="row">