diff --git a/api/src/main/java/io/github/libxposed/api/XposedContextWrapper.java b/api/src/main/java/io/github/libxposed/api/XposedContextWrapper.java
index 4a015b3..9b378d6 100644
--- a/api/src/main/java/io/github/libxposed/api/XposedContextWrapper.java
+++ b/api/src/main/java/io/github/libxposed/api/XposedContextWrapper.java
@@ -226,12 +226,18 @@ public class XposedContextWrapper extends ContextWrapper implements XposedInterf
         return getBaseContext().invokeSpecial(method, thisObject, args);
     }
 
-    @Nullable
+    @NonNull
     @Override
     public <T> T newInstanceOrigin(@NonNull Constructor<T> constructor, Object... args) throws InvocationTargetException, IllegalArgumentException, IllegalAccessException, InstantiationException {
         return getBaseContext().newInstanceOrigin(constructor, args);
     }
 
+    @NonNull
+    @Override
+    public <T, U extends T> U newInstanceSpecial(@NonNull Constructor<T> constructor, @NonNull Class<U> subClass, Object... args) throws InvocationTargetException, IllegalArgumentException, IllegalAccessException, InstantiationException {
+        return getBaseContext().newInstanceSpecial(constructor, subClass, args);
+    }
+
     /**
      * {@inheritDoc}
      */
diff --git a/api/src/main/java/io/github/libxposed/api/XposedInterface.java b/api/src/main/java/io/github/libxposed/api/XposedInterface.java
index fbb935e..3f6677c 100644
--- a/api/src/main/java/io/github/libxposed/api/XposedInterface.java
+++ b/api/src/main/java/io/github/libxposed/api/XposedInterface.java
@@ -131,7 +131,7 @@ public interface XposedInterface {
          * @throws IllegalAccessException    the illegal access exception
          */
         @Nullable
-        Object invokeOrigin() throws InvocationTargetException, IllegalAccessException;
+        Object invokeOrigin() throws InvocationTargetException, IllegalArgumentException, IllegalAccessException;
 
         /**
          * Sets extra.
@@ -539,9 +539,13 @@ public interface XposedInterface {
      * @throws InvocationTargetException the invocation target exception
      * @throws IllegalAccessException    the illegal access exception
      */
-    @Nullable
+    @NonNull
     <T> T newInstanceOrigin(@NonNull Constructor<T> constructor, Object... args) throws InvocationTargetException, IllegalArgumentException, IllegalAccessException, InstantiationException;
 
+
+    @NonNull
+    <T, U extends T> U newInstanceSpecial(@NonNull Constructor<T> constructor, @NonNull Class<U> subClass, Object... args) throws InvocationTargetException, IllegalArgumentException, IllegalAccessException, InstantiationException;
+
     /**
      * Log.
      *