diff --git a/src/main/java/io/github/linwancen/plugin/show/ext/conf/ConfCache.java b/src/main/java/io/github/linwancen/plugin/show/ext/conf/ConfCache.java
index 3fc5196..53c9a7b 100644
--- a/src/main/java/io/github/linwancen/plugin/show/ext/conf/ConfCache.java
+++ b/src/main/java/io/github/linwancen/plugin/show/ext/conf/ConfCache.java
@@ -59,6 +59,12 @@ public class ConfCache {
         return ConfCacheGetUtils.get(file, TREE_MID_EXT, TREE_CACHE);
     }
 
+    static void clearAll() {
+        KEY_CACHE.clear();
+        DOC_CACHE.clear();
+        TREE_CACHE.clear();
+    }
+
     static void remove(@NotNull VirtualFile file, String name) {
         if (name != null) {
             int i = name.lastIndexOf('.');
@@ -102,9 +108,6 @@ public class ConfCache {
                 DumbService.getInstance(project).runReadActionInSmartMode(() -> {
                     Collection<VirtualFile> files = FilenameIndex.getAllFilesByExt(project, EXT);
                     StringBuilder sb = new StringBuilder();
-                    KEY_CACHE.clear();
-                    DOC_CACHE.clear();
-                    TREE_CACHE.clear();
                     for (VirtualFile file : files) {
                         load(project, file);
                         sb.append(file.getPath()).append("\n");
diff --git a/src/main/java/io/github/linwancen/plugin/show/ext/conf/ResetExtDocAction.java b/src/main/java/io/github/linwancen/plugin/show/ext/conf/ResetExtDocAction.java
new file mode 100644
index 0000000..a8ed469
--- /dev/null
+++ b/src/main/java/io/github/linwancen/plugin/show/ext/conf/ResetExtDocAction.java
@@ -0,0 +1,16 @@
+package io.github.linwancen.plugin.show.ext.conf;
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * call ConfCache.clearAll
+ * <br>Use Reset only for file sort
+ */
+public class ResetExtDocAction extends AnAction {
+    @Override
+    public void actionPerformed(@NotNull AnActionEvent e) {
+        ConfCache.clearAll();
+    }
+}
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index 8a5894f..fc114be 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -92,5 +92,11 @@
             text="🔄 // Reload External Comment">
             <add-to-group group-id="ToolsMenu"/>
         </action>
+        <action
+            id="io.github.linwancen.plugin.show.ext.conf.ResetExtDocAction"
+            class="io.github.linwancen.plugin.show.ext.conf.ResetExtDocAction"
+            text="🆑 // Clear External Comment">
+            <add-to-group group-id="ToolsMenu"/>
+        </action>
     </actions>
 </idea-plugin>
\ No newline at end of file