Xcode10.1查看UI图层报错

Error: Unable to capture view hierarchy.
Details: Log Title: Data source expression execution failure.
Log Details: error evaluating expression “(id)[[(Class)objc_getClass("DBGTargetHub") sharedHub] performRequestWithRequestInBase64:@"…"]”: error: use of undeclared identifier 'objc_getClass'

Log Method: -[DBGDataSourceConnectionLibViewDebugger _executeLLDBExpression:forRequest:onPotentialThread:iteration:]_block_invoke
Method: -[DBGViewDebugger _initiateInitialRequestWithDataSourceVersion:]_block_invoke
Environment: Xcode 10.1 (10B61) debugging iPhone 6s Plus iOS 12.1 (16B92).
Please file a bug at https://bugreport.apple.com with this warning message and any useful information you can provide.