[JMSGConversation getAllUnreadCount]闪退
iOS [[JMSGConversation getAllUnreadCount] integerValue] 会出现闪退,奔溃log打印提示 BUG IN CLIENT OF sqlite3.dylib: illegal multi-threaded access to database connection
warning: could not execute support code to read Objective-C class data in the process. This may reduce the quality of type information available.