feat: support xunfei's llm (close #206)

common/constants.go

@@ -157,6 +157,7 @@ const (
 	ChannelTypeBaidu     = 15
 	ChannelTypeZhipu     = 16
 	ChannelTypeAli       = 17
+	ChannelTypeXunfei    = 18
 )
 
 var ChannelBaseURLs = []string{
@@ -178,4 +179,5 @@ var ChannelBaseURLs = []string{
 	"https://aip.baidubce.com",       // 15
 	"https://open.bigmodel.cn",       // 16
 	"https://dashscope.aliyuncs.com", // 17
+	"",                               // 18
 }

common/model-ratio.go

@@ -49,6 +49,7 @@ var ModelRatio = map[string]float64{
 	"chatglm_lite":            0.1429, // ￥0.002 / 1k tokens
 	"qwen-v1":                 0.8572, // TBD: https://help.aliyun.com/document_detail/2399482.html?spm=a2c4g.2399482.0.0.1ad347feilAgag
 	"qwen-plus-v1":            0.5715, // Same as above
+	"SparkDesk":               0.8572, // TBD
 }
 
 func ModelRatio2JSONString() string {