diff --git a/README.md b/README.md
index e6ed1b2..ea9b876 100644
--- a/README.md
+++ b/README.md
@@ -35,12 +35,12 @@ https://gitee.com/leo_xi/SpringJbaDemo
     ```
     1. value           列名,1.7.6+支持自定义列名
     2. defaultValue    默认值
-    3. notNull         是否允许为空
-    4. primary         是否是主键
-    5. policy          主键生成策略
+    3. notNull         是否允许为空(默认允许)
+    4. primary         是否是主键(默认否)
+    5. policy          主键生成策略(默认无)
     6. length          长度限制
     7. remark          备注
-    8. precision       精度(小于length)
+    8. precision       精度(小于length)(默认4)
     9. charset         (1.5.5+新增)设置表字符编码，默认utf8
     10. order          (1.7.8+新增)对应表的列的顺序，默认0
     ```
diff --git a/src/main/java/xin/xihc/jba/db/DB_MySql_Opera.java b/src/main/java/xin/xihc/jba/db/DB_MySql_Opera.java
index 84ae468..e3d711c 100644
--- a/src/main/java/xin/xihc/jba/db/DB_MySql_Opera.java
+++ b/src/main/java/xin/xihc/jba/db/DB_MySql_Opera.java
@@ -3,6 +3,8 @@
  */
 package xin.xihc.jba.db;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import xin.xihc.jba.annotation.Column;
 import xin.xihc.jba.annotation.Index;
 import xin.xihc.jba.core.JbaTemplate;
@@ -42,6 +44,7 @@ public class DB_MySql_Opera implements I_TableOperation {
     private static final int CHAR_MAX_LENGTH = 64;
     /** varchar的最长的长度，超过字段类型为text */
     private static final int VARCHAR_MAX_LENGTH = 20000;
+    private static final Logger LOGGER = LoggerFactory.getLogger(DB_MySql_Opera.class);
     /** java类型- mySQL类型 对应map */
     private static Map<Class, String> JAVA_CLASS_TO_MYSQL_FIELDNAME = new HashMap<>();
 
@@ -122,7 +125,11 @@ public void createTable(TableProperties tbl) {
 
         // 初始化数据
         if (tbl.getTableBean() instanceof InitDataInterface) {
-            CompletableFuture.runAsync(() -> ((InitDataInterface) tbl.getTableBean()).doInit(jbaTemplate));
+            CompletableFuture.runAsync(() -> ((InitDataInterface) tbl.getTableBean()).doInit(jbaTemplate))
+                             .exceptionally(ex -> {
+                                 LOGGER.error("初始化表[" + tbl.getTableName() + "]数据异常：", ex);
+                                 return null;
+                             });
         }
     }
 
@@ -205,8 +212,7 @@ public void updateTable(TableProperties tbl) {
         sql.append("ALTER TABLE ").append(tbl.getTableName()).append(" ");
         String after = "";
         for (ColumnProperties col : tbl.getColumns().values()) {
-            Optional<ColumnProperties> find = dbColumnList.stream()
-                                                          .filter(t -> t.colName().equals(col.colName()))
+            Optional<ColumnProperties> find = dbColumnList.stream().filter(t -> t.colName().equals(col.colName()))
                                                           .findFirst();
             //存在
             if (find.isPresent()) {