diff --git a/src/main/java/pw/yumc/YumCore/bukkit/Log.java b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
index 853a1bb..ec31f3a 100644
--- a/src/main/java/pw/yumc/YumCore/bukkit/Log.java
+++ b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
@@ -2,6 +2,7 @@ package pw.yumc.YumCore.bukkit;
 
 import java.io.File;
 import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Handler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -363,4 +364,24 @@ public class Log {
     public static boolean isGlobalDebug() {
         return globalDebug;
     }
+
+    public static String osn(List<?> classes) {
+        StringBuilder str = new StringBuilder("[");
+        classes.forEach(c -> str.append(c.getClass().getSimpleName()).append(", "));
+        return classes.isEmpty() ? "[]" : str.substring(0, str.length() - 2) + "]";
+    }
+
+    public static String osn(Object... classes) {
+        return osn(Arrays.asList(classes));
+    }
+
+    public static String csn(List<Class> classes) {
+        StringBuilder str = new StringBuilder("[");
+        classes.forEach(c -> str.append(c.getSimpleName()).append(", "));
+        return classes.isEmpty() ? "[]" : str.substring(0, str.length() - 2) + "]";
+    }
+
+    public static String csn(Class[] classes) {
+        return csn(Arrays.asList(classes));
+    }
 }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandMain.java b/src/main/java/pw/yumc/YumCore/commands/CommandMain.java
index 0a4349b..5810c03 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandMain.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandMain.java
@@ -78,7 +78,7 @@ public class CommandMain implements CommandExecutor {
         if (ci != null) {
             injectPluginCommand(ci);
             Class[] params = method.getParameterTypes();
-            Log.d("注册主命令 %s 参数类型: %s", ci.getName(), Arrays.toString(params));
+            Log.d("注册主命令 %s 参数类型: %s", ci.getName(), Log.csn(params));
             try {
                 Class<? extends CommandSender> sender = params[0];
                 cmds.add(ci);
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandParse.java b/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
index 9e99753..1d95924 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
@@ -65,7 +65,7 @@ public class CommandParse {
             if (parse == null) { throw new ParseException(String.format("存在无法解析的参数类型 %s", clazz.getName())); }
             this.parse.add(parse.clone().parseAnnotation(annotations).handleAttrs());
         }
-        Log.d("命令解析器 %s", String.valueOf(parse));
+        Log.d("命令解析器 %s", Log.osn(parse));
     }
 
     public static CommandParse get(Method method) {
@@ -110,7 +110,7 @@ public class CommandParse {
                 throw new ParseException(String.format("第 %s 个参数 %s", isMain ? 1 : 2 + i, e.getMessage()));
             }
         }
-        Log.d("解析参数: %s => %s", Arrays.toString(args), pobjs);
+        Log.d("解析参数: %s => %s", Arrays.toString(args), Log.osn(pobjs));
         return pobjs.toArray();
     }
 
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandSub.java b/src/main/java/pw/yumc/YumCore/commands/CommandSub.java
index 6adc0b3..6b9afe7 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandSub.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandSub.java
@@ -235,7 +235,7 @@ public class CommandSub implements TabExecutor {
         CommandInfo ci = CommandInfo.parse(method, clazz);
         if (ci != null) {
             Class[] params = method.getParameterTypes();
-            Log.d("注册子命令: %s 参数类型: %s", ci.getName(), Arrays.toString(params));
+            Log.d("注册子命令: %s 参数类型: %s", ci.getName(), Log.csn(params));
             try {
                 Class<? extends CommandSender> sender = params[0];
                 // 用于消除unuse警告
diff --git a/src/main/java/pw/yumc/YumCore/sql/core/DataBaseCore.java b/src/main/java/pw/yumc/YumCore/sql/core/DataBaseCore.java
index cb880c3..a294526 100644
--- a/src/main/java/pw/yumc/YumCore/sql/core/DataBaseCore.java
+++ b/src/main/java/pw/yumc/YumCore/sql/core/DataBaseCore.java
@@ -5,6 +5,7 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
+import java.util.Arrays;
 
 import pw.yumc.YumCore.bukkit.Log;
 
@@ -59,12 +60,12 @@ public abstract class DataBaseCore {
      *             SQL执行异常
      */
     public boolean execute(String sql, Object... obj) throws SQLException {
-        debug(sql);
+        debug(sql, obj);
         PreparedStatement ps = prepareStatement(sql);
         for (int i = 0; i < obj.length; i++) {
             ps.setObject(i + 1, obj[i]);
         }
-        boolean result = ps.execute(sql);
+        boolean result = ps.execute();
         ps.close();
         return result;
     }
@@ -98,6 +99,24 @@ public abstract class DataBaseCore {
         return st.executeQuery(sql);
     }
 
+    /**
+     * 查询数据库
+     *
+     * @param sql
+     *            SQL查询语句
+     * @return 查询结果
+     * @throws SQLException
+     *             SQL查询异常
+     */
+    public ResultSet query(String sql, Object[] params) throws SQLException {
+        debug(sql, params);
+        PreparedStatement pst = prepareStatement(sql);
+        for (int i = 0; i < params.length; i++) {
+            pst.setObject(i + 1, params[i]);
+        }
+        return pst.executeQuery();
+    }
+
     /**
      * 更新数据库内的数据
      *
@@ -127,16 +146,40 @@ public abstract class DataBaseCore {
      *             SQL执行异常
      */
     public int update(String sql, Object[] obj) throws SQLException {
-        debug(sql);
+        debug(sql, obj);
         PreparedStatement ps = prepareStatement(sql);
         for (int i = 0; i < obj.length; i++) {
             ps.setObject(i + 1, obj[i]);
         }
-        int result = ps.executeUpdate(sql);
+        int result = ps.executeUpdate();
         ps.close();
         return result;
     }
 
+    /**
+     * 获得数据操作对象
+     *
+     * @return 操作对象
+     * @throws SQLException
+     *             SQL执行异常
+     */
+    public Statement getStatement() throws SQLException {
+        return getConnection().createStatement();
+    }
+
+    /**
+     * 获得数据操作对象(预处理)
+     *
+     * @param sql
+     *            SQL语句
+     * @return 操作对象
+     * @throws SQLException
+     *             SQL执行异常
+     */
+    public PreparedStatement prepareStatement(String sql) throws SQLException {
+        return getConnection().prepareStatement(sql);
+    }
+
     /**
      * 发送警告
      *
@@ -158,26 +201,14 @@ public abstract class DataBaseCore {
     }
 
     /**
-     * 获得数据操作对象
-     *
-     * @return 操作对象
-     * @throws SQLException
-     *             SQL执行异常
-     */
-    protected Statement getStatement() throws SQLException {
-        return getConnection().createStatement();
-    }
-
-    /**
-     * 获得数据操作对象(预处理)
-     *
+     * SQL调试消息
+     * 
      * @param sql
      *            SQL语句
-     * @return 操作对象
-     * @throws SQLException
-     *             SQL执行异常
+     * @param params
+     *            参数
      */
-    protected PreparedStatement prepareStatement(String sql) throws SQLException {
-        return getConnection().prepareStatement(sql);
+    private void debug(String sql, Object... params) {
+        Log.d("[SQL] %s 参数: %s", sql, Arrays.toString(params));
     }
 }