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@@ -47,7 +47,7 @@ U.MD.O.P.polling = function (params) {
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var istrue = true;
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while (start < text.length && istrue) {
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end = text.indexOf(delimiter, start);//获取数据的是否已经结束
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- if (end) {
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+ if (end > -1) {
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data += text.substring(start, end);
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start = end + delimiter.length;
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try {
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