diff --git a/application/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java b/api/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java
similarity index 91%
rename from application/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java
rename to api/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java
index 0113ab99a3..58615ec72c 100644
--- a/application/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java
+++ b/api/src/main/java/run/halo/app/plugin/extensionpoint/ExtensionGetter.java
@@ -16,13 +16,13 @@ public interface ExtensionGetter {
     <T extends ExtensionPoint> Mono<T> getEnabledExtension(Class<T> extensionPoint);
 
     /**
-     * Get the extension(s) according to the {@link ExtensionPointDefinition} queried
+     * Get the extension(s) according to the {@code ExtensionPointDefinition} queried
      * by incoming extension point class.
      *
      * @param extensionPoint extension point class
      * @return implementations of the corresponding extension point.
      * @throws IllegalArgumentException if the incoming extension point class does not have
-     *                                  the {@link ExtensionPointDefinition}.
+     *                                  the {@code ExtensionPointDefinition}.
      */
     <T extends ExtensionPoint> Flux<T> getEnabledExtensions(Class<T> extensionPoint);
 
diff --git a/application/src/main/java/run/halo/app/plugin/SharedApplicationContextFactory.java b/application/src/main/java/run/halo/app/plugin/SharedApplicationContextFactory.java
index 2840991b26..90b146114d 100644
--- a/application/src/main/java/run/halo/app/plugin/SharedApplicationContextFactory.java
+++ b/application/src/main/java/run/halo/app/plugin/SharedApplicationContextFactory.java
@@ -14,6 +14,7 @@
 import run.halo.app.infra.ExternalUrlSupplier;
 import run.halo.app.notification.NotificationCenter;
 import run.halo.app.notification.NotificationReasonEmitter;
+import run.halo.app.plugin.extensionpoint.ExtensionGetter;
 import run.halo.app.security.LoginHandlerEnhancer;
 
 /**
@@ -66,6 +67,8 @@ public static ApplicationContext create(ApplicationContext rootContext) {
             .ifUnique(pluginsRootGetter ->
                 beanFactory.registerSingleton("pluginsRootGetter", pluginsRootGetter)
             );
+        beanFactory.registerSingleton("extensionGetter",
+            rootContext.getBean(ExtensionGetter.class));
         // TODO add more shared instance here
 
         sharedContext.refresh();