diff --git a/testdb.sql b/testdb.sql
index 4ecaeb9..95715a4 100644
--- a/testdb.sql
+++ b/testdb.sql
@@ -1,6 +1,6 @@
 CREATE DATABASE TESTDB;
 USE TESTDB;
-CREATE TABLE EMPLOYEE (
+CREATE TABLE IF NOT EXISTS  EMPLOYEE (
     FIRST_NAME CHAR(20) NOT NULL,
         LAST_NAME CHAR(20),
         AGE INT,
diff --git a/案例1.py b/案例1.py
index 129db97..9f0ed22 100644
--- a/案例1.py
+++ b/案例1.py
@@ -1,6 +1,6 @@
 import pymysql
 db=pymysql.connect (
-    host='localhost',
+    host='172.16.1.166',
     user='root',
     passwd='114514',
     database='TESTDB',
diff --git a/案例2.py b/案例2.py
index 209d954..dbb0d88 100644
--- a/案例2.py
+++ b/案例2.py
@@ -1,13 +1,23 @@
 import pymysql
-db=pymysql.connect (
-    host='localhost',
-    user='root',
-    passwd='114514',
-    database='TESTDB',
-)
+db=pymysql.connect (host='172.16.1.166',user='root',passwd='114514',database='TESTDB',)
 cursor=db.cursor()
+cursor.execute('SHOW TABLES')
+print(cursor.fetchall())
+# 删表
 cursor.execute('DROP TABLE IF EXISTS EMPLOYEE')
-data=cursor.fetchone()
-print(data)
+cursor.execute('SHOW TABLES')
+print(cursor.fetchall())
+# 建表
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS  EMPLOYEE (
+    FIRST_NAME CHAR(20) NOT NULL,
+        LAST_NAME CHAR(20),
+        AGE INT,
+        SEX CHAR(1),
+        INCOME FLOAT
+);
+""")
+cursor.execute('SHOW TABLES')
+print(cursor.fetchall())
 cursor.close()
 db.close()
\ No newline at end of file
diff --git a/案例3.py b/案例3.py
index 7da5e94..2ee65eb 100644
--- a/案例3.py
+++ b/案例3.py
@@ -1,6 +1,6 @@
 import pymysql
 db=pymysql.connect (
-    host='localhost',
+    host='172.16.1.166',
     user='root',
     passwd='114514',
     database='TESTDB',
diff --git a/案例4.py b/案例4.py
index 1b66dd8..fd9693f 100644
--- a/案例4.py
+++ b/案例4.py
@@ -1,6 +1,6 @@
 import pymysql
 db=pymysql.connect (
-    host='localhost',
+    host='172.16.1.166',
     user='root',
     passwd='114514',
     database='TESTDB',
diff --git a/案例5.py b/案例5.py
index 68f1884..83b4c1e 100644
--- a/案例5.py
+++ b/案例5.py
@@ -1,6 +1,6 @@
 import pymysql
 db=pymysql.connect (
-    host='localhost',
+    host='172.16.1.166',
     user='root',
     passwd='114514',
     database='TESTDB',
diff --git a/第七周/pytest01.py b/第七周/pytest01.py
index 7202bc3..616549c 100644
--- a/第七周/pytest01.py
+++ b/第七周/pytest01.py
@@ -12,5 +12,5 @@ class TestIhrmLogin(object):
         assert rsp.status_code == ast[0]
         assert rsp.json().get("success") == ast[1]
         assert rsp.json().get("message") == ast[2]
-        if len(ast)==4:
+        if len(ast)>=4:
             assert rsp.json().get("code") == ast[3]
diff --git a/第七周/pytest02.py b/第七周/pytest02.py
index d62064f..990f273 100644
--- a/第七周/pytest02.py
+++ b/第七周/pytest02.py
@@ -15,7 +15,7 @@ class TestkdtxLogin(object):
         login_res = requests.post(f'{BASE_URL}/login', json=login_data)
         assert login_res.json()['msg'] == ast[0]
         assert login_res.json()['code'] == ast[1]
-        if len(ast)==3:
+        if len(ast)>=3:
             token, cookies = login_res.json()['token'], login_res.cookies.get_dict()
             course_data = ast[2]
             add_course_res = requests.post(f'{BASE_URL}/clues/course', json=course_data, headers={'Authorization': token},cookies=cookies)