feat: add system prompt override functionality in channel settings and request handling #1468

constant/context_key.go

@@ -40,4 +40,6 @@ const (
 	ContextKeyUserGroup   ContextKey = "user_group"
 	ContextKeyUsingGroup  ContextKey = "group"
 	ContextKeyUserName    ContextKey = "username"
+
+	ContextKeySystemPromptOverride ContextKey = "system_prompt_override"
 )

dto/channel_settings.go

@@ -6,4 +6,5 @@ type ChannelSettings struct {
 	Proxy                  string `json:"proxy"`
 	PassThroughBodyEnabled bool   `json:"pass_through_body_enabled,omitempty"`
 	SystemPrompt           string `json:"system_prompt,omitempty"`
+	SystemPromptOverride   bool   `json:"system_prompt_override,omitempty"`
 }

dto/openai_request.go

@@ -78,6 +78,8 @@ func (r *GeneralOpenAIRequest) GetSystemRoleName() string {
 		if !strings.HasPrefix(r.Model, "o1-mini") && !strings.HasPrefix(r.Model, "o1-preview") {
 			return "developer"
 		}
+	} else if strings.HasPrefix(r.Model, "gpt-5") {
+		return "developer"
 	}
 	return "system"
 }

middleware/distributor.go

@@ -267,6 +267,8 @@ func SetupContextForSelectedChannel(c *gin.Context, channel *model.Channel, mode
 	common.SetContextKey(c, constant.ContextKeyChannelKey, key)
 	common.SetContextKey(c, constant.ContextKeyChannelBaseUrl, channel.GetBaseURL())
 
+	common.SetContextKey(c, constant.ContextKeySystemPromptOverride, false)
+
 	// TODO: api_version统一
 	switch channel.Type {
 	case constant.ChannelTypeAzure:

relay/relay-text.go

@@ -201,6 +201,26 @@ func TextHelper(c *gin.Context) (newAPIError *types.NewAPIError) {
 					Content: relayInfo.ChannelSetting.SystemPrompt,
 				}
 				request.Messages = append([]dto.Message{systemMessage}, request.Messages...)
+			} else if relayInfo.ChannelSetting.SystemPromptOverride {
+				common.SetContextKey(c, constant.ContextKeySystemPromptOverride, true)
+				// 如果有系统提示，且允许覆盖，则拼接到前面
+				for i, message := range request.Messages {
+					if message.Role == request.GetSystemRoleName() {
+						if message.IsStringContent() {
+							request.Messages[i].SetStringContent(relayInfo.ChannelSetting.SystemPrompt + "\n" + message.StringContent())
+						} else {
+							contents := message.ParseContent()
+							contents = append([]dto.MediaContent{
+								{
+									Type: dto.ContentTypeText,
+									Text: relayInfo.ChannelSetting.SystemPrompt,
+								},
+							}, contents...)
+							request.Messages[i].Content = contents
+						}
+						break
+					}
+				}
 			}
 		}
 

service/log_info_generate.go

@@ -28,6 +28,12 @@ func GenerateTextOtherInfo(ctx *gin.Context, relayInfo *relaycommon.RelayInfo, m
 		other["is_model_mapped"] = true
 		other["upstream_model_name"] = relayInfo.UpstreamModelName
 	}
+
+	isSystemPromptOverwritten := common.GetContextKeyBool(ctx, constant.ContextKeySystemPromptOverride)
+	if isSystemPromptOverwritten {
+		other["is_system_prompt_overwritten"] = true
+	}
+
 	adminInfo := make(map[string]interface{})
 	adminInfo["use_channel"] = ctx.GetStringSlice("use_channel")
 	isMultiKey := common.GetContextKeyBool(ctx, constant.ContextKeyChannelIsMultiKey)

web/src/components/table/channels/modals/EditChannelModal.jsx

@@ -131,6 +131,7 @@ const EditChannelModal = (props) => {
     proxy: '',
     pass_through_body_enabled: false,
     system_prompt: '',
+    system_prompt_override: false,
   };
   const [batch, setBatch] = useState(false);
   const [multiToSingle, setMultiToSingle] = useState(false);
@@ -340,12 +341,15 @@ const EditChannelModal = (props) => {
           data.proxy = parsedSettings.proxy || '';
           data.pass_through_body_enabled = parsedSettings.pass_through_body_enabled || false;
           data.system_prompt = parsedSettings.system_prompt || '';
+          data.system_prompt_override = parsedSettings.system_prompt_override || false;
         } catch (error) {
           console.error('解析渠道设置失败:', error);
           data.force_format = false;
           data.thinking_to_content = false;
           data.proxy = '';
           data.pass_through_body_enabled = false;
+          data.system_prompt = '';
+          data.system_prompt_override = false;
         }
       } else {
         data.force_format = false;
@@ -353,6 +357,7 @@ const EditChannelModal = (props) => {
         data.proxy = '';
         data.pass_through_body_enabled = false;
         data.system_prompt = '';
+        data.system_prompt_override = false;
       }
 
       setInputs(data);
@@ -372,6 +377,7 @@ const EditChannelModal = (props) => {
         proxy: data.proxy,
         pass_through_body_enabled: data.pass_through_body_enabled,
         system_prompt: data.system_prompt,
+        system_prompt_override: data.system_prompt_override || false,
       });
       // console.log(data);
     } else {
@@ -573,6 +579,7 @@ const EditChannelModal = (props) => {
         proxy: '',
         pass_through_body_enabled: false,
         system_prompt: '',
+        system_prompt_override: false,
       });
       // 重置密钥模式状态
       setKeyMode('append');
@@ -721,6 +728,7 @@ const EditChannelModal = (props) => {
       proxy: localInputs.proxy || '',
       pass_through_body_enabled: localInputs.pass_through_body_enabled || false,
       system_prompt: localInputs.system_prompt || '',
+      system_prompt_override: localInputs.system_prompt_override || false,
     };
     localInputs.setting = JSON.stringify(channelExtraSettings);
 
@@ -730,6 +738,7 @@ const EditChannelModal = (props) => {
     delete localInputs.proxy;
     delete localInputs.pass_through_body_enabled;
     delete localInputs.system_prompt;
+    delete localInputs.system_prompt_override;
 
     let res;
     localInputs.auto_ban = localInputs.auto_ban ? 1 : 0;
@@ -1722,6 +1731,14 @@ const EditChannelModal = (props) => {
                     showClear
                     extraText={t('用户优先：如果用户在请求中指定了系统提示词，将优先使用用户的设置')}
                   />
+                  <Form.Switch
+                    field='system_prompt_override'
+                    label={t('系统提示词拼接')}
+                    checkedText={t('开')}
+                    uncheckedText={t('关')}
+                    onChange={(value) => handleChannelSettingsChange('system_prompt_override', value)}
+                    extraText={t('如果用户请求中包含系统提示词，则使用此设置拼接到用户的系统提示词前面')}
+                  />
                 </Card>
               </div>
             </Spin>

web/src/components/table/usage-logs/UsageLogsColumnDefs.js

@@ -34,7 +34,6 @@ import {
   getLogOther,
   renderModelTag,
   renderClaudeLogContent,
-  renderClaudeModelPriceSimple,
   renderLogContent,
   renderModelPriceSimple,
   renderAudioModelPrice,
@@ -538,7 +537,7 @@ export const getLogsColumns = ({
           );
         }
         let content = other?.claude
-          ? renderClaudeModelPriceSimple(
+          ? renderModelPriceSimple(
             other.model_ratio,
             other.model_price,
             other.group_ratio,
@@ -547,6 +546,10 @@ export const getLogsColumns = ({
             other.cache_ratio || 1.0,
             other.cache_creation_tokens || 0,
             other.cache_creation_ratio || 1.0,
+            false,
+            1.0,
+            other?.is_system_prompt_overwritten,
+            'claude'
           )
           : renderModelPriceSimple(
             other.model_ratio,
@@ -555,13 +558,19 @@ export const getLogsColumns = ({
             other?.user_group_ratio,
             other.cache_tokens || 0,
             other.cache_ratio || 1.0,
+            0,
+            1.0,
+            false,
+            1.0,
+            other?.is_system_prompt_overwritten,
+            'openai'
           );
         return (
           <Typography.Paragraph
             ellipsis={{
-              rows: 2,
+              rows: 3,
             }}
-            style={{ maxWidth: 240 }}
+            style={{ maxWidth: 240, whiteSpace: 'pre-line' }}
           >
             {content}
           </Typography.Paragraph>

web/src/helpers/render.js

@@ -953,6 +953,71 @@ function getEffectiveRatio(groupRatio, user_group_ratio) {
   };
 }
 
+// Shared core for simple price rendering (used by OpenAI-like and Claude-like variants)
+function renderPriceSimpleCore({
+  modelRatio,
+  modelPrice = -1,
+  groupRatio,
+  user_group_ratio,
+  cacheTokens = 0,
+  cacheRatio = 1.0,
+  cacheCreationTokens = 0,
+  cacheCreationRatio = 1.0,
+  image = false,
+  imageRatio = 1.0,
+  isSystemPromptOverride = false
+}) {
+  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
+    groupRatio,
+    user_group_ratio,
+  );
+  const finalGroupRatio = effectiveGroupRatio;
+
+  if (modelPrice !== -1) {
+    return i18next.t('价格：${{price}} * {{ratioType}}：{{ratio}}', {
+      price: modelPrice,
+      ratioType: ratioLabel,
+      ratio: finalGroupRatio,
+    });
+  }
+
+  const parts = [];
+  // base: model ratio
+  parts.push(i18next.t('模型: {{ratio}}'));
+
+  // cache part (label differs when with image)
+  if (cacheTokens !== 0) {
+    parts.push(i18next.t('缓存: {{cacheRatio}}'));
+  }
+
+  // cache creation part (Claude specific if passed)
+  if (cacheCreationTokens !== 0) {
+    parts.push(i18next.t('缓存创建: {{cacheCreationRatio}}'));
+  }
+
+  // image part
+  if (image) {
+    parts.push(i18next.t('图片输入: {{imageRatio}}'));
+  }
+
+  parts.push(`{{ratioType}}: {{groupRatio}}`);
+
+  let result = i18next.t(parts.join(' * '), {
+    ratio: modelRatio,
+    ratioType: ratioLabel,
+    groupRatio: finalGroupRatio,
+    cacheRatio: cacheRatio,
+    cacheCreationRatio: cacheCreationRatio,
+    imageRatio: imageRatio,
+  })
+
+  if (isSystemPromptOverride) {
+    result += '\n\r' + i18next.t('系统提示覆盖');
+  }
+
+  return result;
+}
+
 export function renderModelPrice(
   inputTokens,
   completionTokens,
@@ -1245,56 +1310,26 @@ export function renderModelPriceSimple(
   user_group_ratio,
   cacheTokens = 0,
   cacheRatio = 1.0,
+  cacheCreationTokens = 0,
+  cacheCreationRatio = 1.0,
   image = false,
   imageRatio = 1.0,
+  isSystemPromptOverride = false,
+  provider = 'openai',
 ) {
-  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(groupRatio, user_group_ratio);
-  groupRatio = effectiveGroupRatio;
-  if (modelPrice !== -1) {
-    return i18next.t('价格：${{price}} * {{ratioType}}：{{ratio}}', {
-      price: modelPrice,
-      ratioType: ratioLabel,
-      ratio: groupRatio,
-    });
-  } else {
-    if (image && cacheTokens !== 0) {
-      return i18next.t(
-        '模型: {{ratio}} * {{ratioType}}: {{groupRatio}} * 缓存倍率: {{cacheRatio}} * 图片输入倍率: {{imageRatio}}',
-        {
-          ratio: modelRatio,
-          ratioType: ratioLabel,
-          groupRatio: groupRatio,
-          cacheRatio: cacheRatio,
-          imageRatio: imageRatio,
-        },
-      );
-    } else if (image) {
-      return i18next.t(
-        '模型: {{ratio}} * {{ratioType}}: {{groupRatio}} * 图片输入倍率: {{imageRatio}}',
-        {
-          ratio: modelRatio,
-          ratioType: ratioLabel,
-          groupRatio: groupRatio,
-          imageRatio: imageRatio,
-        },
-      );
-    } else if (cacheTokens !== 0) {
-      return i18next.t(
-        '模型: {{ratio}} * 分组: {{groupRatio}} * 缓存: {{cacheRatio}}',
-        {
-          ratio: modelRatio,
-          groupRatio: groupRatio,
-          cacheRatio: cacheRatio,
-        },
-      );
-    } else {
-      return i18next.t('模型: {{ratio}} * {{ratioType}}：{{groupRatio}}', {
-        ratio: modelRatio,
-        ratioType: ratioLabel,
-        groupRatio: groupRatio,
-      });
-    }
-  }
+  return renderPriceSimpleCore({
+    modelRatio,
+    modelPrice,
+    groupRatio,
+    user_group_ratio,
+    cacheTokens,
+    cacheRatio,
+    cacheCreationTokens,
+    cacheCreationRatio,
+    image,
+    imageRatio,
+    isSystemPromptOverride
+  });
 }
 
 export function renderAudioModelPrice(
@@ -1635,46 +1670,7 @@ export function renderClaudeLogContent(
   }
 }
 
-export function renderClaudeModelPriceSimple(
-  modelRatio,
-  modelPrice = -1,
-  groupRatio,
-  user_group_ratio,
-  cacheTokens = 0,
-  cacheRatio = 1.0,
-  cacheCreationTokens = 0,
-  cacheCreationRatio = 1.0,
-) {
-  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(groupRatio, user_group_ratio);
-  groupRatio = effectiveGroupRatio;
-
-  if (modelPrice !== -1) {
-    return i18next.t('价格：${{price}} * {{ratioType}}：{{ratio}}', {
-      price: modelPrice,
-      ratioType: ratioLabel,
-      ratio: groupRatio,
-    });
-  } else {
-    if (cacheTokens !== 0 || cacheCreationTokens !== 0) {
-      return i18next.t(
-        '模型: {{ratio}} * {{ratioType}}: {{groupRatio}} * 缓存: {{cacheRatio}}',
-        {
-          ratio: modelRatio,
-          ratioType: ratioLabel,
-          groupRatio: groupRatio,
-          cacheRatio: cacheRatio,
-          cacheCreationRatio: cacheCreationRatio,
-        },
-      );
-    } else {
-      return i18next.t('模型: {{ratio}} * {{ratioType}}: {{groupRatio}}', {
-        ratio: modelRatio,
-        ratioType: ratioLabel,
-        groupRatio: groupRatio,
-      });
-    }
-  }
-}
+// 已统一至 renderModelPriceSimple，若仍有遗留引用，请改为传入 provider='claude'
 
 /**
  * rehype 插件：将段落等文本节点拆分为逐词 <span>，并添加淡入动画 class。

web/src/i18n/locales/en.json

@@ -1804,5 +1804,11 @@
   "已选择 {{selected}} / {{total}}": "Selected {{selected}} / {{total}}",
   "新获取的模型": "New models",
   "已有的模型": "Existing models",
-  "搜索模型": "Search models"
+  "搜索模型": "Search models",
+  "缓存: {{cacheRatio}}": "Cache: {{cacheRatio}}",
+  "缓存创建: {{cacheCreationRatio}}": "Cache creation: {{cacheCreationRatio}}",
+  "图片输入: {{imageRatio}}": "Image input: {{imageRatio}}",
+  "系统提示覆盖": "System prompt override",
+  "模型: {{ratio}}": "Model: {{ratio}}",
+  "专属倍率": "Exclusive group ratio"
 }