diff --git a/autoqa/individual_migration_runner.py b/autoqa/individual_migration_runner.py
index fb13b86fd..60e3b7539 100644
--- a/autoqa/individual_migration_runner.py
+++ b/autoqa/individual_migration_runner.py
@@ -31,6 +31,12 @@ MIGRATION_TEST_CASES = {
         "verify_test": "appearance/verify-light-theme-appearance-persistence.txt",
         "description": "Tests that the Light theme setting persists after upgrade"
     },
+    "appearance_font-size": {
+        "name": "Font Size Appearance Migration",
+        "setup_test": "appearance/setup-font-size-appearance.txt",
+        "verify_test": "appearance/verify-font-size-appearance-persistence.txt",
+        "description": "Tests that the Font Size setting (Extra Large) persists after upgrade"
+    },
     "assistants": {
         "name": "Custom Assistants Migration",
         "setup_test": "assistants/setup-create-assistants.txt",
diff --git a/autoqa/tests/migration/appearance/setup-font-size-appearance.txt b/autoqa/tests/migration/appearance/setup-font-size-appearance.txt
new file mode 100644
index 000000000..5a3568c18
--- /dev/null
+++ b/autoqa/tests/migration/appearance/setup-font-size-appearance.txt
@@ -0,0 +1,71 @@
+prompt = """
+You are a GUI agent. You are given a task and your action history, with screenshots. You need to perform the next action to complete the task. 
+
+## Output Format
+```
+Thought: ...
+Action: ...
+```
+
+## Action Space
+
+click(start_box='<|box_start|>(x1,y1)<|box_end|>')
+left_double(start_box='<|box_start|>(x1,y1)<|box_end|>')
+right_single(start_box='<|box_start|>(x1,y1)<|box_end|>')
+drag(start_box='<|box_start|>(x1,y1)<|box_end|>', end_box='<|box_start|>(x3,y3)<|box_end|>')
+hotkey(key='')
+type(content='') #If you want to submit your input, use "\
+" at the end of `content`.
+scroll(start_box='<|box_start|>(x1,y1)<|box_end|>', direction='down or up or right or left')
+wait() #Sleep for 5s and take a screenshot to check for any changes.
+finished()
+call_user() # Submit the task and call the user when the task is unsolvable, or when you need the user's help.
+
+
+## Note
+- Use Chinese in `Thought` part.
+- Summarize your next action (with its target element) in one sentence in `Thought` part.
+
+## User Instruction
+
+You are changing the Font Size setting to "Extra Large" in the OLD version of the Jan application.
+
+PHASE: SETUP FONT SIZE APPEARANCE (OLD VERSION)
+
+Step-by-step instructions:
+
+1. Open the Jan application (OLD version).
+   - If a dialog appears in the bottom-right corner titled **"Help Us Improve Jan"**, click **Deny** to dismiss it before continuing.
+   - If **New Version Available** popup appears on app launch (older versions), click **Remind Me Later** to dismiss it before continuing.
+
+2. Navigate to Appearance settings:
+   - In the bottom-left menu, click **Settings**.
+   - In the left sidebar, click **Appearance**.
+
+3. Change the font size to "Extra Large":
+   - Locate the **Font Size** section with description "Adjust the app's font size."
+   - Click on the current font size button (likely showing "Medium").
+   - In the dropdown menu that appears, select **"Extra Large"**.
+   - Verify that the font size button now displays "Extra Large".
+
+4. Return result:
+   - If the Font Size is set to **"Extra Large"**, return:
+     {"result": True, "phase": "setup_complete"}
+   - If the Font Size cannot be set to **"Extra Large"**, return:
+     {"result": False, "phase": "setup_failed"}
+
+CRITICAL INSTRUCTIONS FOR FINAL RESPONSE:
+- You MUST respond in English only, not any other language
+- You MUST return ONLY the JSON format below, nothing else
+- Do NOT add any explanations, thoughts, or additional text
+
+   - If the configuration is successful, return:
+     {"result": True, "phase": "setup_complete"}
+   - If there are any issues, return:
+     {"result": False, "phase": "setup_failed"}
+
+IMPORTANT: 
+- Your response must be ONLY the JSON above
+- Do NOT add any other text before or after the JSON
+"""
+
diff --git a/autoqa/tests/migration/appearance/verify-font-size-appearance-persistence.txt b/autoqa/tests/migration/appearance/verify-font-size-appearance-persistence.txt
new file mode 100644
index 000000000..3fb6eea83
--- /dev/null
+++ b/autoqa/tests/migration/appearance/verify-font-size-appearance-persistence.txt
@@ -0,0 +1,70 @@
+prompt = """
+You are a GUI agent. You are given a task and your action history, with screenshots. You need to perform the next action to complete the task. 
+
+## Output Format
+```
+Thought: ...
+Action: ...
+```
+
+## Action Space
+
+click(start_box='<|box_start|>(x1,y1)<|box_end|>')
+left_double(start_box='<|box_start|>(x1,y1)<|box_end|>')
+right_single(start_box='<|box_start|>(x1,y1)<|box_end|>')
+drag(start_box='<|box_start|>(x1,y1)<|box_end|>', end_box='<|box_start|>(x3,y3)<|box_end|>')
+hotkey(key='')
+type(content='') #If you want to submit your input, use "\
+" at the end of `content`.
+scroll(start_box='<|box_start|>(x1,y1)<|box_end|>', direction='down or up or right or left')
+wait() #Sleep for 5s and take a screenshot to check for any changes.
+finished()
+call_user() # Submit the task and call the user when the task is unsolvable, or when you need the user's help.
+
+
+## Note
+- Use Chinese in `Thought` part.
+- Summarize your next action (with its target element) in one sentence in `Thought` part.
+
+## User Instruction
+
+You are verifying that the Font Size setting "Extra Large" persists after upgrading to the NEW version of the Jan application.
+
+PHASE: VERIFY FONT SIZE APPEARANCE PERSISTENCE (NEW VERSION)
+
+Step-by-step instructions:
+
+1. Open the Jan application (NEW version).
+   - If a dialog appears in the bottom-right corner titled **"Help Us Improve Jan"**, click **Deny** to dismiss it before continuing.
+   - If **New Version Available** popup appears on app launch (older versions), click **Remind Me Later** to dismiss it before continuing.
+
+2. Navigate to Appearance settings:
+   - In the bottom-left menu, click **Settings**.
+   - In the left sidebar, click **Appearance**.
+
+3. Verify Font Size persistence:
+   - Locate the **Font Size** section with description "Adjust the app's font size."
+   - Check the font size button and read the current font size value.
+   - Confirm the font size is **"Extra Large"**.
+
+4. Return result:
+   - If the current font size is **"Extra Large"**, return:
+     {"result": True, "phase": "verification_complete"}
+   - Otherwise, return:
+     {"result": False, "phase": "verification_failed"}
+
+CRITICAL INSTRUCTIONS FOR FINAL RESPONSE:
+- You MUST respond in English only, not any other language
+- You MUST return ONLY the JSON format below, nothing else
+- Do NOT add any explanations, thoughts, or additional text
+
+   - If the settings persist and are correct, return:
+     {"result": True, "phase": "verification_complete"}
+   - If there are any issues, return:
+     {"result": False, "phase": "verification_failed"}
+
+IMPORTANT: 
+- Your response must be ONLY the JSON above
+- Do NOT add any other text before or after the JSON
+"""
+
diff --git a/autoqa/windows-qa-checklist.md b/autoqa/windows-qa-checklist.md
index fc29fb3fe..9c44e0d6d 100644
--- a/autoqa/windows-qa-checklist.md
+++ b/autoqa/windows-qa-checklist.md
@@ -61,8 +61,8 @@ Before testing, set-up the following in the old version to make sure that we can
 	- [x] Dark ✅
 	- [x] System (should follow your OS system settings) 🔥🔥🔥
 - [x] Change the following values => close the application => re-open the application => ensure that the change is persisted across session:
-	- [x] Theme 🔥
-	- [x] Font Size 🔥
+	- [x] Theme ✅
+	- [x] Font Size ✅
 	- [x] Window Background 🔥
 	- [x] App Main View 🔥
 	- [x] Primary 🔥