diff --git a/app/test/test_add_word.py b/app/test/test_add_word.py
index 05f7961..403e25a 100644
--- a/app/test/test_add_word.py
+++ b/app/test/test_add_word.py
@@ -7,7 +7,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 import random, time
 import string
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_add_word_and_essay_does_not_change.py b/app/test/test_add_word_and_essay_does_not_change.py
index 61af4b8..2746657 100644
--- a/app/test/test_add_word_and_essay_does_not_change.py
+++ b/app/test/test_add_word_and_essay_does_not_change.py
@@ -7,7 +7,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 import random, time
 import string
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_delete_word.py b/app/test/test_delete_word.py
index f42362e..9dcad81 100644
--- a/app/test/test_delete_word.py
+++ b/app/test/test_delete_word.py
@@ -10,7 +10,7 @@ import string
 # 调用本地chromedriver
 # driver = webdriver.Chrome(executable_path="D:\ChromeDriver\chromedriver.exe")
 # driver.get("http://127.0.0.1:5000/")
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 # driver.maximize_window()
 # HOME_PAGE = "http://127.0.0.1:5000/"
diff --git a/app/test/test_login.py b/app/test/test_login.py
index 2fc5d49..bb4df51 100644
--- a/app/test/test_login.py
+++ b/app/test/test_login.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
 import random, string
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_login_security_fix.py b/app/test/test_login_security_fix.py
index b836b6b..461aaba 100644
--- a/app/test/test_login_security_fix.py
+++ b/app/test/test_login_security_fix.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
 import random, string
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_next_essay.py b/app/test/test_next_essay.py
index bed6a92..9814e58 100644
--- a/app/test/test_next_essay.py
+++ b/app/test/test_next_essay.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
 import random, string, time
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_page_position.py b/app/test/test_page_position.py
index 21a6722..4156d39 100644
--- a/app/test/test_page_position.py
+++ b/app/test/test_page_position.py
@@ -9,7 +9,7 @@ from selenium import webdriver
 from selenium.common.exceptions import NoSuchElementException
 from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'
diff --git a/app/test/test_signup.py b/app/test/test_signup.py
index 596e53d..a2664c5 100644
--- a/app/test/test_signup.py
+++ b/app/test/test_signup.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 
 import random, string
 
-driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
+driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.FIREFOX)
 driver.implicitly_wait(10)
 
 HOME_PAGE = 'http://121.4.94.30:91/'