diff --git a/server/service/system/sys_auto_code_oracle.go b/server/service/system/sys_auto_code_oracle.go
index 3cdb362e9d9f6ebc044e44db780d135e49999e06..b34165937be82cd0918ea99fa8b633a1368b01cb 100644
--- a/server/service/system/sys_auto_code_oracle.go
+++ b/server/service/system/sys_auto_code_oracle.go
@@ -41,7 +41,7 @@ func (s *autoCodeOracle) GetColumn(businessDB string, tableName string, dbName s
     (CASE WHEN a.DATA_TYPE = 'NUMBER' AND a.DATA_SCALE=0 THEN 'int' else lower(a.DATA_TYPE) end)  as "data_type",
     (CASE WHEN a.DATA_TYPE = 'NUMBER' THEN a.DATA_PRECISION else a.DATA_LENGTH end) as "data_type_long",
     b.COMMENTS as "column_comment",
-    (CASE WHEN pk.COLUMN_NAME IS NOT NULL THEN 1 ELSE 0 END) as "primary_key",
+    (CASE WHEN pk.COLUMN_NAME IS NOT NULL THEN 'true' ELSE 'false' END) as "primary_key",
     a.COLUMN_ID
 FROM
     all_tab_columns a
@@ -64,7 +64,7 @@ WHERE
     lower(a.table_name) = ?
     AND lower(a.OWNER) = ?
 ORDER BY
-    a.COLUMN_ID;
+    a.COLUMN_ID
 `
 
 	err = global.GVA_DBList[businessDB].Raw(sql, tableName, dbName).Scan(&entities).Error