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 250aad38..7c3b877f 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
@@ -22,7 +22,7 @@ import com.jero.codegenerate.generate.util.TableConvert;
 @Slf4j
 public class DbReadTableUtil {
     
-    private static Connection b;
+    private static Connection connection;
     private static Statement c;
 
     public DbReadTableUtil() {
@@ -52,9 +52,9 @@ public class DbReadTableUtil {
 
         try {
             Class.forName(CodeConfigProperties.driverName);
-            b = DriverManager.getConnection(CodeConfigProperties.databaseUrl, CodeConfigProperties.username, CodeConfigProperties.password);
-            c = b.createStatement(1005, 1007);
-            String var3 = b.getCatalog();
+            connection = DriverManager.getConnection(CodeConfigProperties.databaseUrl, CodeConfigProperties.username, CodeConfigProperties.password);
+            c = connection.createStatement(1005, 1007);
+            String var3 = connection.getCatalog();
             log.info(" connect databaseName : " + var3);
             if (CodeConfigProperties.databaseType.equals("mysql")) {
                 var1 = MessageFormat.format("select distinct table_name from information_schema.columns where table_schema = {0}", TableConvert.c(var3));
@@ -89,9 +89,9 @@ public class DbReadTableUtil {
                     System.gc();
                 }
 
-                if (b != null) {
-                    b.close();
-                    b = null;
+                if (connection != null) {
+                    connection.close();
+                    connection = null;
                     System.gc();
                 }
             } catch (SQLException var12) {
@@ -110,9 +110,9 @@ public class DbReadTableUtil {
         int var5;
         try {
             Class.forName(com.jero.codegenerate.properties.CodeConfigProperties.driverName);
-            b = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
-            c = b.createStatement(1005, 1007);
-            String var4 = b.getCatalog();
+            connection = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
+            c = connection.createStatement(1005, 1007);
+            String var4 = connection.getCatalog();
             log.info(" connect databaseName : " + var4);
             if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals("mysql")) {
                 var2 = MessageFormat.format("select column_name,data_type,column_comment,numeric_precision,numeric_scale,character_maximum_length,is_nullable nullable from information_schema.columns where table_name = {0} and table_schema = {1} order by ORDINAL_POSITION", TableConvert.c(var0), TableConvert.c(var4));
@@ -201,9 +201,9 @@ public class DbReadTableUtil {
                     System.gc();
                 }
 
-                if (b != null) {
-                    b.close();
-                    b = null;
+                if (connection != null) {
+                    connection.close();
+                    connection = null;
                     System.gc();
                 }
             } catch (SQLException var17) {
@@ -230,9 +230,9 @@ public class DbReadTableUtil {
         int var5;
         try {
             Class.forName(com.jero.codegenerate.properties.CodeConfigProperties.driverName);
-            b = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
-            c = b.createStatement(1005, 1007);
-            String var4 = b.getCatalog();
+            connection = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
+            c = connection.createStatement(1005, 1007);
+            String var4 = connection.getCatalog();
             log.info(" connect databaseName : " + var4);
             if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals("mysql")) {
                 var2 = MessageFormat.format("select column_name,data_type,column_comment,numeric_precision,numeric_scale,character_maximum_length,is_nullable nullable from information_schema.columns where table_name = {0} and table_schema = {1} order by ORDINAL_POSITION", TableConvert.c(var0), TableConvert.c(var4));
@@ -312,9 +312,9 @@ public class DbReadTableUtil {
                     System.gc();
                 }
 
-                if (b != null) {
-                    b.close();
-                    b = null;
+                if (connection != null) {
+                    connection.close();
+                    connection = null;
                     System.gc();
                 }
             } catch (SQLException var16) {
@@ -339,9 +339,9 @@ public class DbReadTableUtil {
         try {
             log.debug("数据库驱动: " + com.jero.codegenerate.properties.CodeConfigProperties.driverName);
             Class.forName(com.jero.codegenerate.properties.CodeConfigProperties.driverName);
-            b = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
-            c = b.createStatement(1005, 1007);
-            String var3 = b.getCatalog();
+            connection = DriverManager.getConnection(com.jero.codegenerate.properties.CodeConfigProperties.databaseUrl, com.jero.codegenerate.properties.CodeConfigProperties.username, com.jero.codegenerate.properties.CodeConfigProperties.password);
+            c = connection.createStatement(1005, 1007);
+            String var3 = connection.getCatalog();
             log.info(" connect databaseName : " + var3);
             if (com.jero.codegenerate.properties.CodeConfigProperties.databaseType.equals("mysql")) {
                 var2 = "select column_name,data_type,column_comment,0,0 from information_schema.columns where table_name = '" + var0 + "' and table_schema = '" + var3 + "'";