diff --git a/src/renderer/plugins/markdown-link.ts b/src/renderer/plugins/markdown-link.ts
index deb7cdd0..9c65dc8d 100644
--- a/src/renderer/plugins/markdown-link.ts
+++ b/src/renderer/plugins/markdown-link.ts
@@ -93,7 +93,7 @@ function convertLink (state: StateCore) {
       return
     }
 
-    if (/^[^:]*:/.test(attrVal)) { // xxx: : 开头不转换
+    if (/^[^:]*:/.test(attrVal) || attrVal.startsWith('//')) { // xxx: : 开头不转换
       return
     }