diff --git a/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java b/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
index 37e7620f9a2011f6a2989bdabeb0b5a39faa01a6..0601b1077c529c9f8d44e9fc1fa856c39dc453ad 100644
--- a/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
+++ b/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
@@ -130,18 +130,19 @@ public class TableObjectImpl extends MetaImpl implements TableObject {
 //
         for (TableDto.ColumnDto columnDto : columnDtos) {
             columnDto.setSqlType(toSqlType(columnDto.getDataType()));
-            if (columnDto.getSqlType().equals(Types.NUMERIC) && columnDto.getDataScale() == 0){
-                columnDto.setSqlType(Types.INTEGER);
+            if (Objects.equals(columnDto.getSqlType(),Types.NUMERIC)
+                    && !(Objects.isNull(columnDto.getDataScale()))
+                    && !(Objects.isNull(columnDto.getDataPrecision()))
+                    && columnDto.getDataScale() == 0){
+                Integer dataPrecision = columnDto.getDataPrecision();
+                if (dataPrecision>0 && dataPrecision<=4) {
+                    columnDto.setSqlType(Types.SMALLINT);
+                } else if (dataPrecision>4 && dataPrecision<=9){
+                    columnDto.setSqlType(Types.INTEGER);
+                } else if (dataPrecision>9 && dataPrecision<=18){
+                    columnDto.setSqlType(Types.BIGINT);
+                }
             }
-//            if (columnDto.getDataType().contains("TIMESTAMP")) {
-//                columnDto.setSqlType(toSqlType("TIMESTAMP"));
-//            }
-//            if (columnDto.getDataType().contains("TIME ZONE")) {
-//                columnDto.setSqlType(toSqlType("TIMESTAMP WITH TIME ZONE"));
-//            }
-//            if (columnDto.getDataType().contains("INTERVAL")) {
-//                columnDto.setSqlType(toSqlType("INTERVAL"));
-//            }
 //
 //          TODO pk
 //          主键
diff --git "a/\350\277\201\347\247\273\350\257\264\346\230\216.md" "b/\350\277\201\347\247\273\350\257\264\346\230\216.md"
index aa73d0009947366b73800ebe64cbda4491a88e66..6bc278f987713fe0270cdd87ac0095bbe6b5506c 100644
--- "a/\350\277\201\347\247\273\350\257\264\346\230\216.md"
+++ "b/\350\277\201\347\247\273\350\257\264\346\230\216.md"
@@ -11,8 +11,8 @@
 | NCHAR                          | character            |   需要拼接长度                                     |
 | VARCHAR2                       | character varying         |       需要拼接长度                                 |
 | NVARCHAR2                      | nvarchar2        |        需要拼接长度                                |
-| NUMBER                         | numeric          | 需要拼接 precision和scale                   |
-| INTEGER                        | integer          | data_type列为NUMBER，且data_scale为0        |
+| NUMBER(p,s)                         | numeric(p,s)。          | 需要拼接 precision和scale                   |
+| NUMBER(p,0)                    | 当0<p<=4时，迁为int2；当4<p<=9时，迁为int4；当9<p<=18时，迁为int8；其他情况迁为numeric(p,0)         | data_type列为NUMBER，且data_scale为0,data_precision不为0时        |
 | FLOAT                          | double_precision | 避免精度丢失，都对应成双精度浮点                       |
 | BINARY_FLOAT                   | datax不支持读      | 暂不支持全量迁移                               |
 | BINARY_DOUBLE                  | datax不支持读      | 暂不支持全量迁移                               |
@@ -74,7 +74,7 @@ c_nclob nclob,
 c_blob blob
 );
 
-INSERT INTO test.T_TABLE1 values('a','b','height','mediumn',1.9,33,3.3,'longinsert','rawi',
+INSERT INTO test.T_TABLE1 values('a','b','height','mediumn',1.9,33,3.3,'longinsert','1A',
 TO_DATE('2022-09-30', 'YYYY-MM-DD'),
 TO_TIMESTAMP('2022-01-01 10:30:00', 'YYYY-MM-DD HH24:MI:SS'),'clobinsert',
 'nclobinsert','48656C6C6F20576F726C64');