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fix: 当totalWeight小于等于0时随机选择渠道 #2126

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Merged
seefs001 merged 2 commits into from
Oct 29, 2025
Merged

fix: 当totalWeight小于等于0时随机选择渠道 #2126

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cba21eb
fix: 当totalWeight小于等于0时设置为1选择第一个渠道
creamlike1024 Oct 29, 2025
90f1daf
fix(channel_cache): 修复总权重小于等于0时的渠道选择逻辑
creamlike1024 Oct 29, 2025
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15 changes: 15 additions & 0 deletions model/channel_cache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,21 @@ func GetRandomSatisfiedChannel(group string, model string, retry int) (*Channel,
}
// Calculate the total weight of all channels up to endIdx
totalWeight := sumWeight * smoothingFactor

// totalWeight 小于等于0时，给每个渠道加100的权重，然后进行随机选择
if totalWeight <= 0 {
if len(targetChannels) > 0 {
totalWeight = len(targetChannels) * 100
randomWeight := rand.Intn(totalWeight)
for _, channel := range targetChannels {
randomWeight -= 100
if randomWeight <= 0 {
return channel, nil
}
}
}
return nil, errors.New("no available channels")
}
// Generate a random value in the range [0, totalWeight)
randomWeight := rand.Intn(totalWeight)

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