Cannot set property \'image_source\' of undefined
TypeError: Cannot set property \'image_source\' of undefined
at https://usr/app-service.js:1339:27
at Function.success (https://usr/app-service.js:1322:11)
at https://lib/WASubContext.js:2:119677
at p (https://lib/WASubContext.js:2:489035)
at Function.<anonymous> (https://lib/WASubContext.js:2:772634)
at https://lib/WASubContext.js:2:119677
at https://lib/WASubContext.js:2:711794
·Cannot set property \'image_source\' of undefined，
你往这个属性设置了undefined值，这是不允许的。