Cannot find declaration to go to

Thanks for the feedback! If your issue is related to the Flutter framework itself,
please open an issue at
[github.com/flutter/flutter](https://github.com/flutter/flutter/issues/new).

## Steps to Reproduce
When Ctrl + Click ,ide shows : `Cannot find declaration to go to`

## Version info

Please paste the output of running `flutter doctor -v` here (available from the command
line or from `Tools > Flutter > Flutter Doctor`). It will provide the version of the
Flutter framework as well as of the IntelliJ plugin.

```
[√] Flutter (Channel dev, v0.5.5, on Microsoft Windows [Version 10.0.16299.15], locale zh-CN)
• Flutter version 0.5.5 at D:\FlutterSDK\flutter
• Framework revision 020e0ef55c (8 days ago), 2018-06-14 13:17:08 -0700
• Engine revision c3976b3c71
• Dart version 2.0.0-dev.61.0.flutter-c95617b19c

[√] Android toolchain - develop for Android devices (Android SDK 27.0.3)
• Android SDK at D:\AndroidSDK
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-27, build-tools 27.0.3
• ANDROID_HOME = D:\AndroidSDK
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b01)
• All Android licenses accepted.

[√] Android Studio (version 3.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 23.2.1
• Dart plugin version 171.4424
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b01)

[√] IntelliJ IDEA Ultimate Edition (version 2018.1)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA 2018.1
• Flutter plugin version 25.0.2
• Dart plugin version 181.4203.498

[√] Connected devices (1 available)
• G8142 • CB512EEZUJ • android-arm64 • Android 8.0.0 (API 26)

• No issues found!
```