diff --git a/filetypes.xml b/filetypes.xml
index 10d5f02..40e581a 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -5,6 +5,7 @@
       <mapping pattern=",yarnrc" type="AUTO_DETECTED" />
       <mapping ext="wxss" type="CSS" />
       <mapping ext="wxml" type="HTML" />
+      <mapping pattern=".prettierrc" type="JSON" />
       <mapping pattern="CNAME" type="PLAIN_TEXT" />
       <mapping pattern=".gitkeep" type="PLAIN_TEXT" />
       <mapping pattern="gbk" type="PLAIN_TEXT" />