diff --git a/README.md b/README.md
index f613223..a603c4c 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,21 @@ let up = new UpInfo().getGuest();//Simulated user upload
 mysql78.creatTb(up ) 
 ```
 
+>>### Get a MySQL connection and do whatever you want and release the connection.
+```
+let con=await mysql78.getConnection( ) ;
+//do something
+await mysql78.releaseConnection(con);
+```
+
+>>### Adding log information
+```
+ let up = new UpInfo().getGuest();//Simulated user upload
+mysql78.isLog = true;
+let back=await mysql78._addWarn("info info ", "kind", up) ;
+//We can query the log by kind or apisys or apiobj or upid or upby...
+```
+
 ***
 >## 框架简要说明
 >![后端服务](https://github.com/www778878net/node-date78/blob/main/assets/pic/services.jpeg)
diff --git a/test/test.js b/test/test.js
index dd6fa9d..b1faf16 100644
--- a/test/test.js
+++ b/test/test.js
@@ -20,7 +20,32 @@ function loadjson(filepath) {
     return data;
 }
 let mysql78 = new Mysql(config["mysql"]);
- 
+
+describe('test addwarn ', () => {
+    it(' return 1', () => {
+        let up = new UpInfo().getGuest();//Simulated user upload
+        mysql78.isLog = true;
+        return mysql78._addWarn("info info ", "kind", up).then(function (result) {
+         
+                expect(result).to.equal(1);
+         
+        })
+        //done(); // ֪ͨMocha���Խ���
+    });
+});
+
+describe('test get and release con ', () => {
+    it(' return ok', () => {
+        return mysql78.getConnection().then(function (con) {    
+            expect(con.config.database).to.equal("mysql");
+            mysql78.releaseConnection(con).then(function (result) {
+                expect(result).to.equal("ok");
+            })
+        })
+        //done(); // ֪ͨMocha���Խ���
+    });
+});
+
 describe('test doT ', () => {
     it(' return ok', () => {
         let up = new UpInfo().getGuest();//Simulated user upload