Update README.md

Author: ray00178

README.md

@@ -115,14 +115,39 @@ Usage
  ```
 Notice
 ====
- Due to support Material Design style and handle the image cache, So the library references the following categories.
+ 1.Due to support Material Design style and handle the image cache, So the library references the following categories.
  ```xml
  compile 'com.android.support:design:27.1.1'
  compile 'com.android.support:recyclerview-v7:27.1.1'
  // Glide
  compile 'com.github.bumptech.glide:glide:4.7.1'
  annotationProcessor 'com.github.bumptech.glide:compiler:4.7.1'
  ```
+ 2.If u build project then see error log like this.
+ ```xml
+ Manifest merger failed : Attribute application@label value=(@string/app_name) from 
+ AndroidManifest.xml:21:9-41 is also present at [com.rayzhang.android:rzalbum:1.7.0] AndroidManifest.xml:14:9-44 value= 
+ (@string/rz_app_name).Suggestion: add 'tools:replace="android:label"' to <application> element at 
+ AndroidManifest.xml:17:5-44:19 to override.
+ ```
+ You can in ur AndroidMainfest.xml add「tools:replace="android:label"」in application level.
+ ```xml
+ <application
+ android:allowBackup="true"
+ android:icon="@mipmap/ic_launcher"
+ android:label="@string/app_name"
+ android:supportsRtl="true"
+ android:theme="@style/AppTheme"
+ tools:replace="android:label"> --> Here
+ <activity android:name=".MainActivity">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+ ```
 Update Log
 ====
 - **2018-08-12 Version 1.7.0**