diff --git a/src/main/java/io/github/linwancen/plugin/show/lang/RustLangDoc.java b/src/main/java/io/github/linwancen/plugin/show/lang/RustLangDoc.java
index a036ce5..410aa22 100644
--- a/src/main/java/io/github/linwancen/plugin/show/lang/RustLangDoc.java
+++ b/src/main/java/io/github/linwancen/plugin/show/lang/RustLangDoc.java
@@ -2,8 +2,10 @@ package io.github.linwancen.plugin.show.lang;
 
 import com.intellij.psi.PsiElement;
 import io.github.linwancen.plugin.show.bean.LineInfo;
+import io.github.linwancen.plugin.show.bean.SettingsInfo;
 import io.github.linwancen.plugin.show.lang.base.BaseLangDoc;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.rust.lang.RsLanguage;
 import org.rust.lang.core.psi.RsMethodCall;
 import org.rust.lang.core.psi.RsPath;
@@ -25,4 +27,14 @@ public class RustLangDoc extends BaseLangDoc {
     public boolean show(@NotNull LineInfo info) {
         return info.appSettings.showLineEndCommentRustBase;
     }
+
+    @Nullable
+    @Override
+    protected <T extends SettingsInfo> String resolveDocPrint(@NotNull T info, @NotNull PsiElement resolve) {
+        String s = super.resolveDocPrint(info, resolve);
+        if (s != null && s.startsWith("!")) {
+            return s.substring(1);
+        }
+        return s;
+    }
 }
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/main.rs b/src/test/java/io/github/linwancen/plugin/show/demo/main.rs
index f2cf3a2..b870158 100644
--- a/src/test/java/io/github/linwancen/plugin/show/demo/main.rs
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/main.rs
@@ -1,4 +1,4 @@
-// file tree doc is any where not doc comment
+//! file tree doc is any where not doc comment
 
 fn main() {
     my_fun()