diff --git a/ios/CMakeLists.txt b/ios/CMakeLists.txt
index a32d039..29826b1 100644
--- a/ios/CMakeLists.txt
+++ b/ios/CMakeLists.txt
@@ -15,7 +15,10 @@ set_target_properties(ffiquickjs PROPERTIES
     VERSION 1.0.0
 # "compatibility version" in semantic format in Mach-O binary file
     SOVERSION 1.0.0
+    MACOSX_FRAMEWORK_BUNDLE_VERSION 100
+    MACOSX_FRAMEWORK_SHORT_VERSION_STRING 100
+    XCODE_ATTRIBUTE_DYLIB_INSTALL_NAME_BASE "@rpath"
     PUBLIC_HEADER ffi.h
     XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "Apple Development"
     # RESOURCE "${RESOURCE_FILES}"
-)
\ No newline at end of file
+)
diff --git a/lib/flutter_qjs.dart b/lib/flutter_qjs.dart
index fb82f24..743f0c1 100644
--- a/lib/flutter_qjs.dart
+++ b/lib/flutter_qjs.dart
@@ -128,4 +128,18 @@ class FlutterQjs {
     jsFreeValue(_ctx, jsval);
     return ret;
   }
+
+  /// Evaluate js script (Sync).
+  dynamic evaluateSync(String command, {String name, int evalFlags}) {
+    _ensureEngine();
+    var jsval =
+    jsEval(_ctx, command, name ?? "<eval>", evalFlags ?? JSEvalType.GLOBAL);
+    if (jsIsException(jsval) != 0) {
+      jsFreeValue(_ctx, jsval);
+      throw Exception(parseJSException(_ctx));
+    }
+    var result = jsToDart(_ctx, jsval);
+    jsFreeValue(_ctx, jsval);
+    return result;
+  }
 }