public Object execute(MagicScriptContext context) {
		MagicScriptRuntime runtime = null;
		try {
			MagicScriptEngine.getDefaultImports().forEach((name, value) -> {
				if (value instanceof DynamicModuleImport) {
					context.set(name, ((DynamicModuleImport) value).getDynamicModule(context));
				} else {
					context.set(name, value);
				}
			});
                        //这里可以用script key做缓存
			runtime = compile();
			return runtime.execute(context);
		} catch (MagicExitException e) {
			return e.getExitValue();
		} catch (MagicScriptCompileException e) {
			throw e;
		} catch (Throwable t) {
			MagicScriptError.transfer(runtime, t);
		}
		return null;
	}