diff --git a/src/config.ts b/src/config.ts
index c286951..5f87954 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -32,7 +32,7 @@ type Orient = keyof typeof orientMap
 
 export const models = Object.keys(modelMap) as Model[]
 export const orients = Object.keys(orientMap) as Orient[]
-export const scheduler = ['native', 'karras', 'experimental', 'polyexperimental'] as const
+export const scheduler = ['native', 'karras', 'exponential', 'polyexponential'] as const
 
 export namespace sampler {
   export const nai = {
@@ -205,8 +205,9 @@ interface ParamConfig {
   model?: Model
   sampler?: string
   smea?: boolean
-  dyn?: boolean
+  smeaDyn?: boolean
   scheduler?: string
+  decrisper?: boolean
   upscaler?: string
   restoreFaces?: boolean
   hiresFix?: boolean
@@ -347,12 +348,13 @@ export const Config = Schema.intersect([
         Schema.object({
           model: Schema.const('nai-v3').required(),
           sampler: sampler.createSchema(sampler.nai3),
-          smea: Schema.boolean().description('是否启用 SMEA。'),
-          dyn: Schema.boolean().description('是否启用 SMEA 采样器的 DYN 变体。'),
+          smea: Schema.boolean().description('默认启用 SMEA。'),
+          smeaDyn: Schema.boolean().description('默认启用 SMEA 采样器的 DYN 变体。'),
           scheduler: Schema.union(scheduler).description('默认的调度器。').default('native'),
         }),
         Schema.object({ sampler: sampler.createSchema(sampler.nai) }),
-      ])
+      ]),
+      Schema.object({ decrisper: Schema.boolean().description('默认启用 decrisper') }),
     ]),
   ] as const),
 
diff --git a/src/index.ts b/src/index.ts
index 30b9a93..64e85b5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -110,6 +110,7 @@ export function apply(ctx: Context, config: Config) {
     .option('smea', '-S', { hidden: () => config.model !== 'nai-v3' })
     .option('smeaDyn', '-d', { hidden: () => config.model !== 'nai-v3' })
     .option('scheduler', '-C <scheduler> ', { hidden: () => config.model !== 'nai-v3', type: scheduler })
+    .option('decrisper', '-D', { hidden: thirdParty })
     .option('undesired', '-u <undesired>')
     .option('noTranslator', '-T', { hidden: () => !ctx.translator || !config.translator })
     .option('iterations', '-i <iterations:posint>', { fallback: 1, hidden: () => config.maxIterations <= 1 })
@@ -313,20 +314,24 @@ export function apply(ctx: Context, config: Config) {
             parameters.image = image?.base64 // NovelAI / NAIFU accepts bare base64 encoded image
             if (config.type === 'naifu') return parameters
             // The latest interface changes uc to negative_prompt, so that needs to be changed here as well
-            parameters.negative_prompt = parameters.uc
-            delete parameters.uc
+            if (parameters.uc){
+              parameters.negative_prompt = parameters.uc
+              delete parameters.uc
+            }
+            parameters.decrisper = options.decrisper ?? config.decrisper
             if (model === 'nai-diffusion-3') {
-              parameters.sm_dyn = options.smeaDyn ?? config.dyn
+              parameters.sm_dyn = options.smeaDyn ?? config.smeaDyn
               parameters.sm = (options.smea ?? config.smea) || parameters.sm_dyn
               parameters.noise_schedule = options.scheduler ?? config.scheduler
+              if (['k_euler_ancestral', 'k_dpmpp_2s_ancestral'].includes(parameters.sampler)
+                && parameters.noise_schedule === 'karras') {
+                parameters.noise_schedule = 'native'
+              }
               if (parameters.sampler === 'ddim_v3') {
                 parameters.sm = false
                 parameters.sm_dyn = false
                 delete parameters.noise_schedule
               }
-              if (parameters.sampler === 'k_dpmpp_2m' && !options.scheduler) {
-                parameters.noise_schedule = 'exponential'
-              }
             }
             return { model, input: prompt, parameters: omit(parameters, ['prompt']) }
           }
@@ -394,6 +399,8 @@ export function apply(ctx: Context, config: Config) {
       let finalPrompt = prompt
       const iterate = async () => {
         const request = async () => {
+          const data = getPayload()
+          logger.info('request', data)
           const res = await ctx.http.axios(trimSlash(config.endpoint) + path, {
             method: 'POST',
             timeout: config.requestTimeout,
@@ -403,7 +410,7 @@ export function apply(ctx: Context, config: Config) {
               ...config.headers,
               ...getHeaders(),
             },
-            data: getPayload(),
+            data: data,
           })
 
           if (config.type === 'sd-webui') {