diff --git a/pom.xml b/pom.xml
index 995be96..1ecd919 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>me.skymc</groupId>
     <artifactId>TabooLib</artifactId>
-    <version>4.22</version>
+    <version>4.23</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/me/skymc/taboolib/mysql/builder/SQLColumn.java b/src/main/java/me/skymc/taboolib/mysql/builder/SQLColumn.java
index cf7ce3f..dd6463f 100644
--- a/src/main/java/me/skymc/taboolib/mysql/builder/SQLColumn.java
+++ b/src/main/java/me/skymc/taboolib/mysql/builder/SQLColumn.java
@@ -22,7 +22,7 @@ public class SQLColumn {
     private SQLColumnOption[] columnOptions;
 
     /**
-     * 文本类型常用构造器
+     * 文本 类型常用构造器
      * new SQLColumn(SQLColumnType.TEXT, "username");
      */
     public SQLColumn(SQLColumnType columnType, String columnName) {
@@ -30,7 +30,17 @@ public class SQLColumn {
     }
 
     /**
-     * 主键类型常用构造器
+     * CHAR 类型常用构造器
+     *
+     * @param columnType
+     * @param columnName
+     */
+    public SQLColumn(SQLColumnType columnType, int m, String columnName) {
+        this(columnType, m, 0, columnName, null);
+    }
+
+    /**
+     * 主键 类型常用构造器
      * new SQLColumn(SQLColumnType.TEXT, "username", SQLColumnOption.PRIMARY_KEY, SQLColumnOption.AUTO_INCREMENT);
      */
     public SQLColumn(SQLColumnType columnType, String columnName, SQLColumnOption... columnOptions) {
@@ -38,7 +48,7 @@ public class SQLColumn {
     }
 
     /**
-     * 数据类型常用构造器
+     * 数据 类型常用构造器
      * new SQLColumn(SQLColumnType.TEXT, "player_group", "PLAYER");
      */
     public SQLColumn(SQLColumnType columnType, String columnName, Object defaultValue) {
@@ -99,25 +109,25 @@ public class SQLColumn {
         for (SQLColumnOption options : columnOptions) {
             switch (options) {
                 case NOTNULL:
-                    builder.append(" not null");
+                    builder.append(" NOT NULL");
                     break;
                 case PRIMARY_KEY:
-                    builder.append(" primary key");
+                    builder.append(" PRIMARY KEY");
                     break;
                 case AUTO_INCREMENT:
-                    builder.append(" auto_increment");
+                    builder.append(" AUTO_INCREMENT");
                     break;
                 case UNIQUE_KEY:
-                    builder.append(" unique key");
+                    builder.append(" UNIQUE KEY");
                     break;
                 default:
             }
         }
         if (defaultValue != null) {
             if (defaultValue instanceof String) {
-                builder.append(" default '").append(defaultValue).append("'");
+                builder.append(" DEFAULT '").append(defaultValue).append("'");
             } else {
-                builder.append(" default ").append(defaultValue);
+                builder.append(" DEFAULT ").append(defaultValue);
             }
         }
         return builder.toString();
diff --git a/src/main/java/me/skymc/taboolib/mysql/builder/SQLTable.java b/src/main/java/me/skymc/taboolib/mysql/builder/SQLTable.java
index 601195d..5cdb888 100644
--- a/src/main/java/me/skymc/taboolib/mysql/builder/SQLTable.java
+++ b/src/main/java/me/skymc/taboolib/mysql/builder/SQLTable.java
@@ -60,7 +60,11 @@ public class SQLTable {
         return executeQuery("select * from " + tableName + " where " + where);
     }
 
-    public RunnableUpdate executeUpdate(String where, String update) {
+    public RunnableQuery executeSelect() {
+        return executeQuery("select * from " + tableName);
+    }
+
+    public RunnableUpdate executeUpdate(String update, String where) {
         return executeUpdate("update " + tableName + " set " + update + " where " + where);
     }
 
diff --git a/src/main/java/me/skymc/taboolib/other/NumberUtils.java b/src/main/java/me/skymc/taboolib/other/NumberUtils.java
index 988dd4c..f811baa 100644
--- a/src/main/java/me/skymc/taboolib/other/NumberUtils.java
+++ b/src/main/java/me/skymc/taboolib/other/NumberUtils.java
@@ -3,6 +3,9 @@ package me.skymc.taboolib.other;
 import java.text.DecimalFormat;
 import java.util.Random;
 
+/**
+ * @author sky
+ */
 public class NumberUtils {
 
     private static Random random = new Random();
@@ -52,6 +55,22 @@ public class NumberUtils {
         }
     }
 
+    public static Boolean getBooleanAbbreviation(String str) {
+        if (str == null || str.isEmpty()) {
+            return false;
+        }
+        if (str.length() < 4) {
+            char var = str.charAt(0);
+            if (var == 'y' || var == 'Y' || var == 't' || var == 'T' || var == '1') {
+                return true;
+            }
+            if (var == 'n' || var == 'N' || var == 'f' || var == 'F' || var == '0') {
+                return false;
+            }
+        }
+        return getBoolean(str);
+    }
+
     @Deprecated
     public static Random getRand() {
         return random;