Skip to content

fix: claude & gemini endpoint system prompt overwrite #1850

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
seefs001 merged 2 commits into from
Sep 20, 2025
Merged

fix: claude & gemini endpoint system prompt overwrite #1850

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ea084e7
fix: claude system prompt overwrite
seefs001 Sep 19, 2025
8e7301b
fix: gemini system prompt overwrite
seefs001 Sep 20, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 26 additions & 0 deletions relay/claude_handler.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import (
"io"
"net/http"
"one-api/common"
"one-api/constant"
"one-api/dto"
relaycommon "one-api/relay/common"
"one-api/relay/helper"
Expand Down Expand Up @@ -69,6 +70,31 @@ func ClaudeHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *typ
info.UpstreamModelName = request.Model
}

if info.ChannelSetting.SystemPrompt != "" && info.ChannelSetting.SystemPromptOverride {
if request.System == nil {
request.SetStringSystem(info.ChannelSetting.SystemPrompt)
} else if info.ChannelSetting.SystemPromptOverride {
common.SetContextKey(c, constant.ContextKeySystemPromptOverride, true)
if request.IsStringSystem() {
existing := strings.TrimSpace(request.GetStringSystem())
if existing == "" {
request.SetStringSystem(info.ChannelSetting.SystemPrompt)
} else {
request.SetStringSystem(info.ChannelSetting.SystemPrompt + "\n" + existing)
}
} else {
systemContents := request.ParseSystem()
newSystem := dto.ClaudeMediaMessage{Type: dto.ContentTypeText}
newSystem.SetText(info.ChannelSetting.SystemPrompt)
if len(systemContents) == 0 {
request.System = []dto.ClaudeMediaMessage{newSystem}
} else {
request.System = append([]dto.ClaudeMediaMessage{newSystem}, systemContents...)
}
}
}
}

var requestBody io.Reader
if model_setting.GetGlobalSettings().PassThroughRequestEnabled || info.ChannelSetting.PassThroughBodyEnabled {
body, err := common.GetRequestBody(c)
Expand Down