diff --git a/tests/resources/APITest-Util.robot b/tests/resources/APITest-Util.robot
index c7ac739f6..057820a73 100644
--- a/tests/resources/APITest-Util.robot
+++ b/tests/resources/APITest-Util.robot
@@ -1,13 +1,13 @@
 *** Keywords ***
 Make Swagger Client
-    ${rc}  ${output}=  Run And Return Rc And Output  make swagger_client 
+    ${rc}  ${output}=  Run And Return Rc And Output  make swagger_client
     Log  ${output}
     [Return]  ${rc}
 
 Setup API Test
     Retry Keyword When Error  Make Swagger Client
 
-Harbor API Test 
+Harbor API Test
     [Arguments]  ${testcase_name}
     ${current_dir}=  Run  pwd
     Log To Console  ${current_dir}
diff --git a/tests/resources/Harbor-Pages/Project-Helmcharts.robot b/tests/resources/Harbor-Pages/Project-Helmcharts.robot
index 556ddd88a..2b043b2a3 100644
--- a/tests/resources/Harbor-Pages/Project-Helmcharts.robot
+++ b/tests/resources/Harbor-Pages/Project-Helmcharts.robot
@@ -47,4 +47,4 @@ Go Back To Versions And Delete
     Retry Element Click  xpath=${version_checkbox}
     Retry Element Click  xpath=${version_delete}
     Retry Element Click  xpath=${version_confirm_delete}
-    Retry Keyword When Error  Wait Until Page Contains Element  element=xpath=${helmchart_content}
\ No newline at end of file
+    Retry Wait Until Page Contains Element  xpath=${helmchart_content}
\ No newline at end of file
diff --git a/tests/resources/Harbor-Pages/Project-Members.robot b/tests/resources/Harbor-Pages/Project-Members.robot
index 1760c1849..cc26f0635 100644
--- a/tests/resources/Harbor-Pages/Project-Members.robot
+++ b/tests/resources/Harbor-Pages/Project-Members.robot
@@ -22,11 +22,10 @@ ${HARBOR_VERSION}  v1.1.1
 *** Keywords ***
 Go Into Project
     [Arguments]  ${project}  ${has_image}=${true}
-    Wait Until Element Is Visible And Enabled  ${search_input}
+    Retry Wait Element  ${search_input}
     Input Text  ${search_input}  ${project}
-    Wait Until Page Contains  ${project}
-    Wait Until Element Is Visible And Enabled  xpath=//*[@id='project-results']//clr-dg-cell[contains(.,'${project}')]/a
-    Click Element  xpath=//*[@id='project-results']//clr-dg-cell[contains(.,'${project}')]/a
+    Retry Wait Until Page Contains  ${project}
+    Retry Element Click  xpath=//*[@id='project-results']//clr-dg-cell[contains(.,'${project}')]/a
     #To prevent waiting for a fixed-period of time for page loading and failure caused by exception, we add loop to re-run <Wait Until Element Is Visible And Enabled> when
     #    exception was caught.
     :For  ${n}  IN RANGE  1  5
@@ -41,35 +40,35 @@ Go Into Project
 Add User To Project Admin
     [Arguments]  ${project}  ${user}
     Go Into Project
-    Sleep  2  
+    Sleep  2
     Click Element  xpath=${project_member_tag_xpath}
     Sleep  1
     Click Element  xpath=${project_member_add_button_xpath}
-    Sleep  2	
+    Sleep  2
     Input Text  xpath=${project_member_add_username_xpath}  ${user}
     Sleep  3
     Click Element  xpath=${project_member_add_admin_xpath}
     Click Element  xpath=${project_member_add_save_button_xpath}
     Sleep  4
-    
+
 Search Project Member
     [Arguments]  ${project}  ${user}
     Go Into Project  ${project}
-    Sleep  2   
+    Sleep  2
     Click Element  xpath=//clr-dg-cell//a[contains(.,'${project}')]
-    Sleep  1	
+    Sleep  1
     Click Element  xpath=${project_member_search_button_xpath}
-    Sleep  1	
+    Sleep  1
     Click Element  xpath=${project_member_search_text_xpath}
     Sleep  2
-    Wait Until Page Contains  ${user}	
-    
+    Wait Until Page Contains  ${user}
+
 Change Project Member Role
     [Arguments]  ${project}  ${user}  ${role}
     Click Element  xpath=//clr-dg-cell//a[contains(.,'${project}')]
-    Sleep  2    
+    Sleep  2
     Click Element  xpath=${project_member_tag_xpath}
-    Sleep  1	
+    Sleep  1
     Click Element  xpath=//project-detail//clr-dg-row[contains(.,'${user}')]//label
     Sleep  1
     #change role
@@ -100,13 +99,12 @@ User Can Not Add Member
 
 Add Guest Member To Project
     [arguments]  ${member}
-    Click Element  xpath=${project_member_add_button_xpath}
-    Sleep  1
-    Input Text  xpath=${project_member_add_username_xpath}  ${member}
+    Retry Element Click  xpath=${project_member_add_button_xpath}
+    Retry Text Input  xpath=${project_member_add_username_xpath}  ${member}
     #select guest
     Mouse Down  xpath=${project_member_guest_radio_checkbox}
     Mouse Up  xpath=${project_member_guest_radio_checkbox}
-    Click Button  xpath=${project_member_add_confirmation_ok_xpath}
+    Retry Button Click  xpath=${project_member_add_confirmation_ok_xpath}
     Sleep  1
 
 Delete Project Member
@@ -188,6 +186,17 @@ User Should Be Admin
     Logout Harbor
     Push Image With Tag  ${ip}  ${user}  ${pwd}  ${project}  hello-world  v2
 
+User Should Be Master
+    [Arguments]  ${user}  ${pwd}  ${project}
+    Sign In Harbor  ${HARBOR_URL}  ${user}  ${pwd}
+    Project Should Display  ${project}
+    Go Into Project  ${project}
+    Delete Repo  ${project}
+    Switch To Member
+    Page Should Contain Element  xpath=//clr-dg-row[contains(.,'${user}')]//clr-dg-cell[contains(.,'Master')]
+    Logout Harbor
+    Push Image With Tag  ${ip}  ${user}  ${pwd}  ${project}  hello-world  v3
+
 Project Should Have Member
     [Arguments]  ${project}  ${user}
     Sign In Harbor  ${HARBOR_URL}  %{HARBOR_ADMIN}  %{HARBOR_PASSWORD}
diff --git a/tests/resources/Harbor-Pages/Project.robot b/tests/resources/Harbor-Pages/Project.robot
index 2a8f79799..f6a04f397 100644
--- a/tests/resources/Harbor-Pages/Project.robot
+++ b/tests/resources/Harbor-Pages/Project.robot
@@ -44,7 +44,7 @@ Create An New Project With New User
     Logout Harbor
     Sign In Harbor  ${url}  ${username}  ${newPassword}
     Create An New Project  ${projectname}  ${public}
-    Sleep  1	
+    Sleep  1
 
 #It's the log of project.
 Go To Project Log
@@ -67,7 +67,7 @@ Switch To Replication
     Sleep  1
 
 Navigate To Projects
-    ${element}=  Set Variable  xpath=${projects_xpath}  
+    ${element}=  Set Variable  xpath=${projects_xpath}
     Wait Until Element Is Visible And Enabled  ${element}
     Click Element  ${element}
     Sleep  2
@@ -89,7 +89,7 @@ Search Private Projects
 
 Make Project Private
     [Arguments]  ${projectname}
-    Go Into Project  ${project name}    
+    Go Into Project  ${project name}
     Sleep  2
     Click Element  xpath=//project-detail//a[contains(.,'Configuration')]
     Sleep  1
@@ -102,12 +102,10 @@ Make Project Private
 Make Project Public
     [Arguments]  ${projectname}
     Go Into Project  ${project name}
-    Sleep  2
-    Click Element  xpath=//project-detail//a[contains(.,'Configuration')]
+    Retry Element Click  xpath=//project-detail//a[contains(.,'Configuration')]
     Checkbox Should Not Be Selected  xpath=//input[@name='public']
-    Click Element    //div[@id="clr-wrapper-public"]//label[1]
-    Wait Until Element Is Enabled  //button[contains(.,'SAVE')]
-    Click Element  //button[contains(.,'SAVE')]
+    Retry Element Click  //div[@id="clr-wrapper-public"]//label[1]
+    Retry Element Click  //button[contains(.,'SAVE')]
     Wait Until Page Contains  Configuration has been successfully saved
 
 Delete Repo
@@ -151,7 +149,7 @@ Project Should Be Deleted
 Advanced Search Should Display
     Page Should Contain Element  xpath=//audit-log//div[@class='flex-xs-middle']/button
 
-# it's not a common keywords, only used into log case.	
+# it's not a common keywords, only used into log case.
 Do Log Advanced Search
     Capture Page Screenshot  LogAdvancedSearch.png
     Sleep  1
diff --git a/tests/resources/Util.robot b/tests/resources/Util.robot
index 84c310678..bc1bc8de7 100644
--- a/tests/resources/Util.robot
+++ b/tests/resources/Util.robot
@@ -68,24 +68,43 @@ Wait Until Element Is Visible And Enabled
     Wait Until Element Is Enabled  ${element}
 
 Retry Action Keyword
-    [Arguments]  ${keyword}  ${element_xpath}
-    Retry Keyword When Error  ${keyword}  element=${element_xpath}
-
-Retry Element Click
-    [Arguments]  ${element_xpath}
-    Retry Action Keyword  Element Click  ${element_xpath}
+    [Arguments]  ${keyword}  @{param}
+    Retry Keyword When Error  ${keyword}  @{param}
 
 Retry Wait Element
     [Arguments]  ${element_xpath}
-    Retry Action Keyword  Wait Until Element Is Visible And Enabled  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Wait Until Element Is Visible And Enabled  @{param}
 
 Retry Wait Element Not Visible
     [Arguments]  ${element_xpath}
-    Retry Action Keyword  Wait Until Element Is Not Visible  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Wait Until Element Is Not Visible  @{param}
+
+Retry Element Click
+    [Arguments]  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Element Click  @{param}
 
 Retry Button Click
     [Arguments]  ${element_xpath}
-    Retry Action Keyword  Button Click  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Button Click  @{param}
+
+Retry Text Input
+    [Arguments]  ${element_xpath}  ${text}
+    @{param}  Create List  ${element_xpath}  ${text}
+    Retry Action Keyword  Text Input  @{param}
+
+Retry Wait Until Page Contains
+    [Arguments]  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Wait Until Page Contains  @{param}
+
+Retry Wait Until Page Contains Element
+    [Arguments]  ${element_xpath}
+    @{param}  Create List  ${element_xpath}
+    Retry Action Keyword  Wait Until Page Contains Element  @{param}
 
 Element Click
     [Arguments]  ${element_xpath}
@@ -97,6 +116,11 @@ Button Click
     Wait Until Element Is Visible And Enabled  ${element_xpath}
     Click button  ${element_xpath}
 
+Text Input
+    [Arguments]  ${element_xpath}  ${text}
+    Wait Until Element Is Visible And Enabled  ${element_xpath}
+    Input Text  ${element_xpath}  ${text}
+
 Wait Unitl Vul Data Ready
     [Arguments]  ${url}  ${timeout}  ${interval}
     ${n}=  Evaluate  ${timeout}/${interval}
@@ -119,15 +143,14 @@ Wait Unitl Command Success
     \    Sleep  2
     Log  ${output}
     Run Keyword If  ${positive} == ${true}  Should Be Equal As Strings  '${rc}'  '0'
-    ...  ELSE  Should Not Be Equal As Strings  '${rc}'  '0'   
+    ...  ELSE  Should Not Be Equal As Strings  '${rc}'  '0'
     [Return]  ${output}
 
 Retry Keyword When Error
-    [Arguments]  ${keyword}  ${element}=${None}  ${times}=6
-    :For  ${n}  IN RANGE  1  ${times}
+    [Arguments]  ${keyword}  @{elements}
+    :For  ${n}  IN RANGE  1  6
     \    Log To Console  Trying ${keyword} ${n} times ...
-    \    ${out}  Run Keyword If  "${element}"=="${None}"  Run Keyword And Ignore Error  ${keyword}
-    \    ...  ELSE  Run Keyword And Ignore Error  ${keyword}  ${element}
+    \    ${out}  Run Keyword And Ignore Error  ${keyword}  @{elements}
     \    Log To Console  Return value is ${out[0]}
     \    Exit For Loop If  '${out[0]}'=='PASS'
     \    Sleep  2
diff --git a/tests/robot-cases/Group1-Nightly/Common.robot b/tests/robot-cases/Group1-Nightly/Common.robot
index af6b8729e..337d4ca9d 100644
--- a/tests/robot-cases/Group1-Nightly/Common.robot
+++ b/tests/robot-cases/Group1-Nightly/Common.robot
@@ -41,7 +41,7 @@ Test Case - Vulnerability Data Not Ready
 Test Case - Garbage Collection
     Init Chrome Driver
     ${d}=   Get Current Date    result_format=%m%s
-    
+
     Sign In Harbor  ${HARBOR_URL}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
     Create An New Project  project${d}
     Push Image  ${ip}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}  project${d}  hello-world
@@ -66,7 +66,7 @@ Test Case - Garbage Collection
     Should Contain  ${output}  success to run gc in job.
 
     Close Browser
-    
+
 Test Case - Create An New Project
     Init Chrome Driver
     ${d}=    Get Current Date    result_format=%m%s
@@ -294,7 +294,7 @@ Test Case - User View Logs
 
     Sign In Harbor  ${HARBOR_URL}  user002  Test1@34
     Create An New Project  project${d}
-    
+
     Push image  ${ip}  user002  Test1@34  project${d}  busybox:latest
     Pull image  ${ip}  user002  Test1@34  project${d}  busybox:latest
 
@@ -313,7 +313,7 @@ Test Case - User View Logs
 Test Case - Manage Project Member
     Init Chrome Driver
     ${d}=    Get current Date  result_format=%m%s
- 
+
     Sign In Harbor  ${HARBOR_URL}  user004  Test1@34
     Create An New Project  project${d}
     Push image  ip=${ip}  user=user004  pwd=Test1@34  project=project${d}  image=hello-world
@@ -326,8 +326,11 @@ Test Case - Manage Project Member
     User Should Be Developer  user005  Test1@34  project${d}
     Change User Role In Project  user004  Test1@34  project${d}  user005  Admin
     User Should Be Admin  user005  Test1@34  project${d}  user006
+    Change User Role In Project  user004  Test1@34  project${d}  user005  Master
+    User Should Be Master  user005  Test1@34  project${d}
     Manage Project Member  user004  Test1@34  project${d}  user005  Remove
     User Should Not Be A Member Of Project  user005  Test1@34  project${d}
+    Push image  ip=${ip}  user=user004  pwd=Test1@34  project=project${d}  image=hello-world
     User Should Be Guest  user006  Test1@34  project${d}
 
     Close Browser
@@ -403,7 +406,7 @@ Test Case - Edit Project Creation
 Test Case - Edit Repo Info
     Init Chrome Driver
     ${d}=  Get Current Date  result_format=%m%s
-    
+
     Sign In Harbor  ${HARBOR_URL}  user011  Test1@34
     Create An New Project  project${d}
     Push Image  ${ip}  user011  Test1@34  project${d}  hello-world
@@ -415,7 +418,7 @@ Test Case - Edit Repo Info
 Test Case - Delete Multi Project
     Init Chrome Driver
     ${d}=    Get Current Date    result_format=%m%s
-    
+
     Sign In Harbor  ${HARBOR_URL}  user012  Test1@34
     Create An New Project  projecta${d}
     Create An New Project  projectb${d}
@@ -432,7 +435,7 @@ Test Case - Delete Multi Project
 Test Case - Delete Multi Repo
     Init Chrome Driver
     ${d}=   Get Current Date    result_format=%m%s
-    
+
     Sign In Harbor  ${HARBOR_URL}  user013  Test1@34
     Create An New Project  project${d}
     Push Image  ${ip}  user013  Test1@34  project${d}  hello-world
@@ -447,7 +450,7 @@ Test Case - Delete Multi Repo
 Test Case - Delete Multi Tag
     Init Chrome Driver
     ${d}=   Get Current Date    result_format=%m%s
-    
+
     Sign In Harbor  ${HARBOR_URL}  user014  Test1@34
     Create An New Project  project${d}
     Push Image With Tag  ${ip}  user014  Test1@34  project${d}  redis  3.2.10-alpine  3.2.10-alpine
@@ -476,7 +479,7 @@ Test Case - Delete Repo on CardView
 Test Case - Delete Multi Member
     Init Chrome Driver
     ${d}=   Get Current Date    result_format=%m%s
-    Sign In Harbor  ${HARBOR_URL}  user016  Test1@34    
+    Sign In Harbor  ${HARBOR_URL}  user016  Test1@34
     Create An New Project  project${d}
     Go Into Project  project${d}  has_image=${false}
     Switch To Member
@@ -530,7 +533,7 @@ Test Case - Developer Operate Labels
     Sign In Harbor  ${HARBOR_URL}  user021  Test1@34
     Create An New Project  project${d}
     Logout Harbor
-    
+
     Manage Project Member  user021  Test1@34  project${d}  user022  Add  ${false}
     Change User Role In Project  user021  Test1@34  project${d}  user022  Developer
 
@@ -546,7 +549,7 @@ Test Case - Scan A Tag In The Repo
 
     Sign In Harbor  ${HARBOR_URL}  user023  Test1@34
     Create An New Project  project${d}
-    Go Into Project  project${d}  has_image=${false}    
+    Go Into Project  project${d}  has_image=${false}
     Push Image  ${ip}  user023  Test1@34  project${d}  hello-world
     Go Into Project  project${d}
     Go Into Repo  project${d}/hello-world
@@ -560,7 +563,7 @@ Test Case - Scan As An Unprivileged User
     Init Chrome Driver
     ${d}=    get current date    result_format=%m%s
     Push Image  ${ip}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}  library  hello-world
- 
+
     Sign In Harbor  ${HARBOR_URL}  user024  Test1@34
     Go Into Project  library
     Go Into Repo  hello-world
@@ -697,7 +700,7 @@ Test Case - View Scan Results
     ${d}=  get current date  result_format=%m%s
 
     Sign In Harbor  ${HARBOR_URL}  user025  Test1@34
-    Create An New Project  project${d}    
+    Create An New Project  project${d}
     Push Image  ${ip}  user025  Test1@34  project${d}  tomcat
     Go Into Project  project${d}
     Go Into Repo  project${d}/tomcat