diff --git a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/database/DbReadTableUtil.java b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/database/DbReadTableUtil.java
index 666ab4a2..4a1ed40b 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/database/DbReadTableUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/database/DbReadTableUtil.java
@@ -30,7 +30,7 @@ public class DbReadTableUtil {
 
     public static void main(String[] args) throws SQLException {
         try {
-            List list = a("demo");
+            List list = listColumnVo("demo");
             Iterator iterator = list.iterator();
 
             while(iterator.hasNext()) {
@@ -103,7 +103,7 @@ public class DbReadTableUtil {
         return list;
     }
 
-    public static List<ColumnVo> a(String tableName) throws Exception {
+    public static List<ColumnVo> listColumnVo(String tableName) throws Exception {
         String sqlStr = null;
         ArrayList list = new ArrayList();
 
@@ -151,7 +151,7 @@ public class DbReadTableUtil {
             columnVo.setPrecision(resultSet.getString(4));
             columnVo.setScale(resultSet.getString(5));
             columnVo.setCharmaxLength(resultSet.getString(6));
-            columnVo.setNullable(TableConvert.a(resultSet.getString(7)));
+            columnVo.setNullable(TableConvert.getNullable(resultSet.getString(7)));
             setupColumnVo(columnVo);
             columnVo.setFiledComment(StringUtils.isBlank(resultSet.getString(3)) ? columnVo.getFieldName() : resultSet.getString(3));
             log.debug("columnt.getFieldName() -------------" + columnVo.getFieldName());
@@ -181,7 +181,7 @@ public class DbReadTableUtil {
                     columnVo1.setPrecision(resultSet.getString(4));
                     columnVo1.setScale(resultSet.getString(5));
                     columnVo1.setCharmaxLength(resultSet.getString(6));
-                    columnVo1.setNullable(TableConvert.a(resultSet.getString(7)));
+                    columnVo1.setNullable(TableConvert.getNullable(resultSet.getString(7)));
                     setupColumnVo(columnVo1);
                     columnVo1.setFiledComment(StringUtils.isBlank(resultSet.getString(3)) ? columnVo1.getFieldName() : resultSet.getString(3));
                     list.add(columnVo1);
@@ -189,10 +189,10 @@ public class DbReadTableUtil {
             }
 
             log.debug("读取表成功");
-        } catch (ClassNotFoundException var18) {
-            throw var18;
-        } catch (SQLException var19) {
-            throw var19;
+        } catch (ClassNotFoundException e) {
+            throw e;
+        } catch (SQLException e) {
+            throw e;
         } finally {
             try {
                 if (statement != null) {
@@ -206,20 +206,20 @@ public class DbReadTableUtil {
                     connection = null;
                     System.gc();
                 }
-            } catch (SQLException var17) {
-                throw var17;
+            } catch (SQLException e) {
+                throw e;
             }
 
         }
 
-        ArrayList var21 = new ArrayList();
+        ArrayList result = new ArrayList();
 
         for(row = list.size() - 1; row >= 0; --row) {
-            ColumnVo var6 = (ColumnVo)list.get(row);
-            var21.add(var6);
+            ColumnVo columnVo = (ColumnVo)list.get(row);
+            result.add(columnVo);
         }
 
-        return var21;
+        return result;
     }
 
     public static List<ColumnVo> b(String var0) throws Exception {
@@ -268,7 +268,7 @@ public class DbReadTableUtil {
             var7.setPrecision(TableConvert.b(var1.getString(4)));
             var7.setScale(TableConvert.b(var1.getString(5)));
             var7.setCharmaxLength(TableConvert.b(var1.getString(6)));
-            var7.setNullable(TableConvert.a(var1.getString(7)));
+            var7.setNullable(TableConvert.getNullable(var1.getString(7)));
             var7.setFieldType(a(var1.getString(2).toLowerCase(), var7.getPrecision(), var7.getScale()));
             var7.setFieldDbType(e(var1.getString(2).toLowerCase()));
             setupColumnVo(var7);
@@ -293,7 +293,7 @@ public class DbReadTableUtil {
                 var8.setPrecision(TableConvert.b(var1.getString(4)));
                 var8.setScale(TableConvert.b(var1.getString(5)));
                 var8.setCharmaxLength(TableConvert.b(var1.getString(6)));
-                var8.setNullable(TableConvert.a(var1.getString(7)));
+                var8.setNullable(TableConvert.getNullable(var1.getString(7)));
                 var8.setFieldType(a(var1.getString(2).toLowerCase(), var8.getPrecision(), var8.getScale()));
                 var8.setFieldDbType(e(var1.getString(2).toLowerCase()));
                 setupColumnVo(var8);
diff --git a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOne.java b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOne.java
index 095a7044..6845b58b 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOne.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOne.java
@@ -54,7 +54,7 @@ public class CodeGenerateOne extends BaseCodeGenerate implements IGenerate {
 
         try {
             if (this.e == null || this.e.size() == 0) {
-                this.e = DbReadTableUtil.a(this.b.getTableName());
+                this.e = DbReadTableUtil.listColumnVo(this.b.getTableName());
             }
 
             var1.put("columns", this.e);
diff --git a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOneToMany.java b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOneToMany.java
index cdc1ab79..d7cc03e3 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOneToMany.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/impl/CodeGenerateOneToMany.java
@@ -64,7 +64,7 @@ public class CodeGenerateOneToMany extends BaseCodeGenerate implements IGenerate
 
         try {
             if (this.h == null || this.h.size() == 0) {
-                this.h = DbReadTableUtil.a(this.mainTableVo.getTableName());
+                this.h = DbReadTableUtil.listColumnVo(this.mainTableVo.getTableName());
             }
 
             if (this.i == null || this.i.size() == 0) {
@@ -88,7 +88,7 @@ public class CodeGenerateOneToMany extends BaseCodeGenerate implements IGenerate
                 SubTableVo var12 = (SubTableVo)var2.next();
                 List var4;
                 if (var12.getColums() == null || var12.getColums().size() == 0) {
-                    var4 = DbReadTableUtil.a(var12.getTableName());
+                    var4 = DbReadTableUtil.listColumnVo(var12.getTableName());
                     var12.setColums(var4);
                 }
 
diff --git a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/util/TableConvert.java b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/util/TableConvert.java
index 93f4bdb7..e438391e 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/util/TableConvert.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-generater-core/src/main/java/com/jero/codegenerate/generate/util/TableConvert.java
@@ -6,7 +6,7 @@ public class TableConvert {
     public TableConvert() {
     }
 
-    public static String a(String var0) {
+    public static String getNullable(String var0) {
         if (!"YES".equals(var0) && !"yes".equals(var0) && !"y".equals(var0) && !"Y".equals(var0) && !"f".equals(var0)) {
             return !"NO".equals(var0) && !"N".equals(var0) && !"no".equals(var0) && !"n".equals(var0) && !"t".equals(var0) ? null : "N";
         } else {