apollo-client/src/main/java/com/ctrip/framework/apollo/spring/annotation/ApolloAnnotationProcessor.java/ApolloAnnotationProcessor/parseJsonValue
class ApolloAnnotationProcessor:  private Object parseJsonValue(String json, Type targetType) {
    try {
      return GSON.fromJson(json, targetType);
    } catch (Throwable ex) {
      logger.error("Parsing json '{}' to type {} failed!", json, targetType, ex);
      throw ex;
    }
  }