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fix: Claude 流式断流时不再整份覆盖 usage，保留 cache 计费字段 #4128

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Merged
Calcium-Ion merged 2 commits into from
Apr 8, 2026
Merged

fix: Claude 流式断流时不再整份覆盖 usage，保留 cache 计费字段 #4128

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f7cdc72
fix: Claude 流式断流时不再整份覆盖 usage，保留 cache 计费字段
zuiho-kai Apr 7, 2026
c66636a
fix: 采纳 CodeRabbit 建议，!Done 时也用 fallback 覆盖占位 CompletionTokens
zuiho-kai Apr 7, 2026
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11 changes: 10 additions & 1 deletion relay/channel/claude/relay-claude.go
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Original file line number Diff line number Diff line change
Expand Up @@ -809,7 +809,16 @@ func HandleStreamFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, clau
if common.DebugEnabled {
common.SysLog("claude response usage is not complete, maybe upstream error")
}
claudeInfo.Usage = service.ResponseText2Usage(c, claudeInfo.ResponseText.String(), info.UpstreamModelName, claudeInfo.Usage.PromptTokens)
// 只补缺失字段，不整份覆盖——保留 message_start 已拿到的 cache 字段
fallback := service.ResponseText2Usage(c, claudeInfo.ResponseText.String(), info.UpstreamModelName, info.GetEstimatePromptTokens())
if claudeInfo.Usage.CompletionTokens == 0 ||
(!claudeInfo.Done && fallback.CompletionTokens > claudeInfo.Usage.CompletionTokens) {
claudeInfo.Usage.CompletionTokens = fallback.CompletionTokens
}
if claudeInfo.Usage.PromptTokens == 0 {
claudeInfo.Usage.PromptTokens = fallback.PromptTokens
}
claudeInfo.Usage.TotalTokens = claudeInfo.Usage.PromptTokens + claudeInfo.Usage.CompletionTokens
}
if claudeInfo.Usage != nil {
claudeInfo.Usage.UsageSemantic = "anthropic"
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