diff --git a/Makefile b/Makefile
index 93ee4d5..a7c39cf 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ GO ?= go
 .DEFAULT_GOAL := default
 
 version := v0.2.2
-VS_PYTORCH_VERSION := v0.1.1
+VS_PYTORCH_VERSION := dev
 
 .PHONY: tidy
 tidy: ## go mod tidy
diff --git a/common/constant/constant.go b/common/constant/constant.go
new file mode 100644
index 0000000..645fd8d
--- /dev/null
+++ b/common/constant/constant.go
@@ -0,0 +1,18 @@
+package constant
+
+import "strings"
+
+type FinalRipConstant string
+
+const (
+	FINALRIP                  = FinalRipConstant("FINALRIP")
+	ENV_FINALRIP_SOURCE       = FINALRIP + FinalRipConstant("_SOURCE")
+	FINALRIP_SOURCE_MKV       = FINALRIP + FinalRipConstant("_SOURCE.mkv")
+	FINALRIP_ENCODED_CLIP     = FINALRIP + FinalRipConstant("_ENCODED_CLIP")
+	FINALRIP_ENCODED_CLIP_MKV = FINALRIP + FinalRipConstant("_ENCODED_CLIP.mkv")
+)
+
+// ContainsFinalRipInString 检查字符串中是否包含 FinalRip 常量
+func ContainsFinalRipInString(s string, constant FinalRipConstant) bool {
+	return strings.Contains(s, string(constant))
+}
diff --git a/module/ffmpeg/vapoursynth.go b/module/ffmpeg/vapoursynth.go
index 938b92e..63fbe73 100644
--- a/module/ffmpeg/vapoursynth.go
+++ b/module/ffmpeg/vapoursynth.go
@@ -5,6 +5,7 @@ import (
 	"os/exec"
 	"runtime"
 
+	"github.com/TensoRaws/FinalRip/common/constant"
 	"github.com/TensoRaws/FinalRip/module/log"
 	"github.com/TensoRaws/FinalRip/module/util"
 )
@@ -12,7 +13,7 @@ import (
 // EncodeVideo 压制视频，压制后的视频文件名为 encoded.mkv，压制参数由 encodeParam 指定，压制视频从环境变量 FINALRIP_SOURCE 读取
 func EncodeVideo(encodeScript string, encodeParam string) error {
 	encodeScriptPath := "encode.py"
-	// encodedVideo := "encoded.mkv"
+
 	// 根据操作系统创建脚本文件
 	var commandStr string
 	var scriptPath string
@@ -25,8 +26,8 @@ func EncodeVideo(encodeScript string, encodeParam string) error {
 		scriptPath = "temp_script.sh"
 		condaInitScript = "#!/bin/bash\n" // linux 下默认激活 conda 环境
 	}
-	commandStr = condaInitScript + "vspipe -c y4m encode.py - | " + encodeParam + " encoded.mkv"
-	log.Logger.Info("commandStr: " + commandStr)
+	commandStr = condaInitScript + "vspipe -c y4m " + encodeScriptPath + " - | " + encodeParam
+	log.Logger.Info("Encode Command: " + commandStr)
 
 	// 清理临时文件
 	_ = util.ClearTempFile(encodeScriptPath, scriptPath)
@@ -60,7 +61,7 @@ func EncodeVideo(encodeScript string, encodeParam string) error {
 		log.Logger.Error("vs error: " + err.Error())
 		return err
 	}
-	log.Logger.Info("clip encoded, output: encoded.mkv")
+	log.Logger.Info("clip encoded, output: " + constant.FINALRIP_ENCODED_CLIP_MKV)
 
 	return nil
 }
diff --git a/server/internal/service/task/start.go b/server/internal/service/task/start.go
index 72f7d70..60d86bc 100644
--- a/server/internal/service/task/start.go
+++ b/server/internal/service/task/start.go
@@ -5,6 +5,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/TensoRaws/FinalRip/common/constant"
 	"github.com/TensoRaws/FinalRip/common/db"
 	"github.com/TensoRaws/FinalRip/common/task"
 	"github.com/TensoRaws/FinalRip/module/log"
@@ -34,6 +35,16 @@ func Start(c *gin.Context) {
 		return
 	}
 
+	// 检查传入的 Script 和 EncodeParam 是否合法
+	if !constant.ContainsFinalRipInString(req.Script, constant.ENV_FINALRIP_SOURCE) {
+		resp.AbortWithMsg(c, "VS script code must contain "+string(constant.ENV_FINALRIP_SOURCE)+" environment variable to specify the source video.") //nolint:lll
+		return
+	}
+	if !constant.ContainsFinalRipInString(req.EncodeParam, constant.FINALRIP_ENCODED_CLIP_MKV) {
+		resp.AbortWithMsg(c, "Encode param must contain "+string(constant.FINALRIP_ENCODED_CLIP_MKV)+" to specify the output video clip.") //nolint:lll
+		return
+	}
+
 	// 检查任务是否 new 上传
 	if !db.CheckTaskExist(req.VideoKey) {
 		resp.AbortWithMsg(c, "Task not found, please upload video first.")
diff --git a/worker/internal/encode/worker.go b/worker/internal/encode/worker.go
index 0577136..13827ec 100644
--- a/worker/internal/encode/worker.go
+++ b/worker/internal/encode/worker.go
@@ -6,6 +6,7 @@ import (
 	"os"
 	"time"
 
+	"github.com/TensoRaws/FinalRip/common/constant"
 	"github.com/TensoRaws/FinalRip/common/db"
 	"github.com/TensoRaws/FinalRip/common/task"
 	"github.com/TensoRaws/FinalRip/module/ffmpeg"
@@ -40,8 +41,8 @@ func Handler(ctx context.Context, t *asynq.Task) error {
 		log.Logger.Errorf("Failed to kill vspipe process: %v", err)
 	}
 
-	tempSourceVideo := "source.mkv"
-	tempEncodedVideo := "encoded.mkv"
+	tempSourceVideo := string(constant.FINALRIP_SOURCE_MKV)
+	tempEncodedVideo := string(constant.FINALRIP_ENCODED_CLIP_MKV)
 
 	// 清理临时文件
 	_ = util.ClearTempFile(tempSourceVideo, tempEncodedVideo)
@@ -67,7 +68,7 @@ func Handler(ctx context.Context, t *asynq.Task) error {
 	log.Logger.Infof("Downloaded video clip %s", p.Clip.ClipKey)
 
 	// 设置临时视频的环境变量
-	err = os.Setenv("FINALRIP_SOURCE", tempSourceVideo)
+	err = os.Setenv(string(constant.ENV_FINALRIP_SOURCE), tempSourceVideo)
 	if err != nil {
 		log.Logger.Errorf("Failed to set env FINALRIP_SOURCE: %v", err)
 		return err