使用新版本(2023-09-01-preview)出现了TypeError: Cannot read properties of undefined (reading 'delta')

[NathanDai]

app.js:161 TypeError: Cannot read properties of undefined (reading 'delta')
at app.js:120:31
at app.js:192:11
at sse.js:77:9
at Array.every ()
at SSE.dispatchEvent (sse.js:76:37)
at SSE. (sse.js:123:14)
at Array.forEach ()
at SSE._onStreamProgress (sse.js:121:36)
onError @ app.js:161
（匿名） @ app.js:194
（匿名） @ sse.js:77
SSE.dispatchEvent @ sse.js:76
（匿名） @ sse.js:123
SSE._onStreamProgress @ sse.js:121
XMLHttpRequest.send（异步）
SSE.stream @ sse.js:200
send @ app.js:203
chat @ app.js:113
postLine @ app.js:99
onSend @ app.js:69
（匿名） @ app.js:47