编写README FAQ

README.md

@@ -51,3 +51,18 @@ choose.chooseNetFile(userId,moduleName,isNextCloudFile,function(data){
 
 nextCloud的模块需要自己再调用swagger中的一个接口进行传值。 接口位置在手写接口copy_nextcloud_modular
 
+
+#### FAQ
+
+集成后出现如下错误
+
+```
+* What went wrong:
+   Execution failed for task ':app:processDebugManifest'.
+   > Manifest merger failed : uses-sdk:minSdkVersion 15 cannot be smaller than version 22 declared in library [android:webfile:unspecified]
+           Suggestion: use tools:overrideLibrary="com.bril.webfile" to force usage
+```
+
+
+解决办法：
+    去webfile module下修改minSdkVersion 为15即可解决
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