diff --git a/pom.xml b/pom.xml
index 11147f7..c74436d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,13 +8,14 @@
     <artifactId>redbbs</artifactId>
     <version>1.0-SNAPSHOT</version>
     <build>
+        <sourceDirectory>src</sourceDirectory>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>11</source>
-                    <target>11</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/src/com/lxyer/bbs/base/TaskQueue.java b/src/com/lxyer/bbs/base/TaskQueue.java
index cb891db..fa3e8e0 100644
--- a/src/com/lxyer/bbs/base/TaskQueue.java
+++ b/src/com/lxyer/bbs/base/TaskQueue.java
@@ -24,6 +24,7 @@ import org.redkale.source.Flipper;
 import org.redkale.util.AnyValue;
 import org.redkale.util.Comment;
 import org.redkale.util.Sheet;
+import org.redkale.util.Utility;
 
 import javax.annotation.Resource;
 import java.util.*;
@@ -138,7 +139,7 @@ public class TaskQueue<T extends Object> extends BaseService implements Runnable
                             "    sort total desc\n" +
                             "    limit 10\n" +
                             "    return {name: uri,total:total}",
-                    Map.of("time", cal.getTimeInMillis()),
+                    Utility.ofMap("time", cal.getTimeInMillis()),
                     Count.class);
 
             Function<List<Count>, List<Integer>> deal = (counts) -> {
diff --git a/src/com/lxyer/bbs/base/user/UserRecord.java b/src/com/lxyer/bbs/base/user/UserRecord.java
index 9189eba..95c0dc2 100644
--- a/src/com/lxyer/bbs/base/user/UserRecord.java
+++ b/src/com/lxyer/bbs/base/user/UserRecord.java
@@ -225,17 +225,6 @@ public class UserRecord implements java.io.Serializable {
     }
 
     public static String md5IfNeed(String password){
-        if (password == null || password.isEmpty()) return "";
-        if (password.length() == 32) return password;
-        MessageDigest md5 = null;
-        try {
-            md5 = MessageDigest.getInstance("MD5");
-        } catch (NoSuchAlgorithmException e) {
-            e.printStackTrace();
-        }
-
-        byte[] bytes = password.trim().getBytes();
-        bytes = md5.digest(bytes);
-        return new String(Utility.binToHex(bytes));
+        return Utility.md5Hex(password);
     }
 }