diff --git a/infintech-executors/executor-collection-dispatcher/pom.xml b/infintech-executors/executor-collection-dispatcher/pom.xml
index 19670acd..0db0707b 100644
--- a/infintech-executors/executor-collection-dispatcher/pom.xml
+++ b/infintech-executors/executor-collection-dispatcher/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.xuxueli</groupId>
-        <artifactId>xxl-job-executor-samples</artifactId>
+        <artifactId>infintech-executors</artifactId>
         <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>executor-collection-dispatcher</artifactId>
@@ -18,7 +18,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.7</java.version>
+        <java.version>1.8</java.version>
     </properties>
 
     <dependencyManagement>
diff --git a/infintech-executors/executor-collection-dispatcher/src/main/java/com/infincash/util/Jdk8DateUtils.java b/infintech-executors/executor-collection-dispatcher/src/main/java/com/infincash/util/Jdk8DateUtils.java
new file mode 100644
index 00000000..a1521037
--- /dev/null
+++ b/infintech-executors/executor-collection-dispatcher/src/main/java/com/infincash/util/Jdk8DateUtils.java
@@ -0,0 +1,38 @@
+package com.infincash.util;
+
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+
+public class Jdk8DateUtils {
+	public static LocalDateTime toLocalDateTime(Date date) {
+//		ZoneId utc7 = ZoneId.of("Asia/Ho_Chi_Minh");
+		
+		Instant  ins = date.toInstant();
+		return LocalDateTime.ofInstant(ins, ZoneId.systemDefault());
+	}
+	
+	public static String toString(LocalDateTime ldt) {
+		return toString(ldt, "yyyy-MM-dd HH:mm:ss");
+	}
+	
+	public static String toString(LocalDateTime ldt, String formatter) {
+		LocalDate localDate = ldt.toLocalDate();
+		//LocalDate 格式化 HH:mm:ss会抛异常java.time.temporal.UnsupportedTemporalTypeException
+		String sDate = ldt.format(DateTimeFormatter.ofPattern(formatter));
+		return sDate;
+	}
+	
+	public static long substract(Date a, Date b) {
+		LocalDateTime aa = toLocalDateTime(a);
+		LocalDateTime bb = toLocalDateTime(b);
+		return aa.toLocalDate().toEpochDay() - bb.toLocalDate().toEpochDay();
+	}
+	
+	public static void main(String[] args) {
+		System.out.println(toString(toLocalDateTime(new Date())));
+	}
+}
diff --git a/infintech-executors/xxl-job-executor-db/pom.xml b/infintech-executors/xxl-job-executor-db/pom.xml
index b9e8411b..7d6f5b94 100644
--- a/infintech-executors/xxl-job-executor-db/pom.xml
+++ b/infintech-executors/xxl-job-executor-db/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.xuxueli</groupId>
-        <artifactId>xxl-job-executor-samples</artifactId>
+        <artifactId>infintech-executors</artifactId>
         <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>xxl-job-executor-db</artifactId>