fix: 修复score有时计算不准确的问题

test/utils/mockData/score.js

@@ -0,0 +1,15 @@
+export const zeroData = {
+  tcpLostlenPercent: 0,
+  pktRetransPercent: 0,
+  sslConLatency: null,
+  httpResponseLatency: 0,
+  establishLatencyMs: 0
+}
+
+export const undefinedData = {
+  tcpLostlenPercent: undefined,
+  pktRetransPercent: undefined,
+  sslConLatency: undefined,
+  httpResponseLatency: undefined,
+  establishLatencyMs: undefined
+}