diff --git a/README.md b/README.md
index 78bad8d..9ce4a54 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ pip install -r requirements-dev.txt
 
 ## 在maya中测试
 With `nox -s maya -- <maya version>`, start maya.
-Nox will dynamically register a nox session based on your local installation of maya, 
+Nox will dynamically register a nox session based on your local installation of maya,
 e.g. if you have `maya-2020` installed locally, then you can start maya with a test environment.
 Then you can start maya with a test environment via
 
diff --git a/maya_umbrella/vaccines/vaccine3.py b/maya_umbrella/vaccines/vaccine3.py
index 25e2515..2057577 100644
--- a/maya_umbrella/vaccines/vaccine3.py
+++ b/maya_umbrella/vaccines/vaccine3.py
@@ -1,6 +1,7 @@
 # Import built-in modules
 import glob
 import os
+import platform
 
 # Import local modules
 from maya_umbrella.filesystem import check_virus_by_signature
@@ -81,7 +82,8 @@ def collect_infected_hik_files(self):
 
     def collect_issues(self):
         """Collect all issues related to the virus."""
-        self.api.add_malicious_file(os.path.join(os.getenv("APPDATA"), "syssst"))
+        if platform.system() == "Windows":
+            self.api.add_malicious_file(os.path.join(os.getenv("APPDATA"), "syssst"))
         self.collect_infected_mel_files()
         self.collect_infected_hik_files()
         self.collect_infected_nodes()