diff --git a/internal/radar/scheduler.go b/internal/radar/scheduler.go
index b0ead47..be2747d 100644
--- a/internal/radar/scheduler.go
+++ b/internal/radar/scheduler.go
@@ -48,7 +48,13 @@ func Start(ctx context.Context, opts Options) error {
 	}
 
 	if opts.OutputDir == "" {
-		opts.OutputDir = getenvDefault("RADAR_DIR", "radar_data")
+		if v := os.Getenv("RADAR_DIR"); v != "" {
+			opts.OutputDir = v
+		} else {
+			exe, _ := os.Executable()
+			exeDir := filepath.Dir(exe)
+			opts.OutputDir = filepath.Join(exeDir, "radar_data")
+		}
 	}
 	// Delay 不再用于 10 分钟调度流程，这里保留读取但不使用
 	if opts.Delay == 0 {
diff --git a/internal/rain/scheduler.go b/internal/rain/scheduler.go
index edc4ed6..bad38d6 100644
--- a/internal/rain/scheduler.go
+++ b/internal/rain/scheduler.go
@@ -36,7 +36,13 @@ func Start(ctx context.Context, opts Options) error {
 		return nil
 	}
 	if opts.OutputDir == "" {
-		opts.OutputDir = getenvDefault("RAIN_DIR", "rain_data")
+		if v := os.Getenv("RAIN_DIR"); v != "" {
+			opts.OutputDir = v
+		} else {
+			exe, _ := os.Executable()
+			exeDir := filepath.Dir(exe)
+			opts.OutputDir = filepath.Join(exeDir, "rain_data")
+		}
 	}
 	if opts.MaxRetries == 0 {
 		opts.MaxRetries = getenvIntDefault("RAIN_MAX_RETRIES", 2)
diff --git a/internal/server/gin.go b/internal/server/gin.go
index 8a08850..a8b9061 100644
--- a/internal/server/gin.go
+++ b/internal/server/gin.go
@@ -23,43 +23,80 @@ func StartGinServer() error {
 	// 创建Gin引擎
 	r := gin.Default()
 
-	// 解析资源路径，兼容在仓库根目录或 bin/ 目录启动
-	tplGlob := filepath.Join("templates", "*")
-	if _, err := os.Stat("templates"); os.IsNotExist(err) {
-		if _, err2 := os.Stat("../templates"); err2 == nil {
-			tplGlob = filepath.Join("..", "templates", "*")
+	// 以可执行文件所在目录为基准查找资源（优先），其次回退到相对路径
+	exe, _ := os.Executable()
+	exeDir := filepath.Dir(exe)
+
+	// 模板目录
+	candidatesTpl := []string{
+		filepath.Join(exeDir, "templates", "*"),
+		filepath.Join(exeDir, "..", "templates", "*"),
+		filepath.Join("templates", "*"),
+		filepath.Join("..", "templates", "*"),
+	}
+	var tplGlob string
+	for _, c := range candidatesTpl {
+		base := filepath.Dir(c)
+		if st, err := os.Stat(base); err == nil && st.IsDir() {
+			tplGlob = c
+			break
 		}
 	}
+	if tplGlob == "" {
+		tplGlob = filepath.Join("templates", "*")
+	}
 	r.LoadHTMLGlob(tplGlob)
 
-	staticDir := "./static"
-	if _, err := os.Stat(staticDir); os.IsNotExist(err) {
-		if _, err2 := os.Stat("../static"); err2 == nil {
-			staticDir = "../static"
+	// 静态目录
+	candidatesStatic := []string{
+		filepath.Join(exeDir, "static"),
+		filepath.Join(exeDir, "..", "static"),
+		"./static",
+		"../static",
+	}
+	staticDir := candidatesStatic[0]
+	for _, c := range candidatesStatic {
+		if st, err := os.Stat(c); err == nil && st.IsDir() {
+			staticDir = c
+			break
 		}
 	}
 	r.Static("/static", staticDir)
 
 	// 前端SPA（Angular）静态资源与路由回退
-	// 构建产物目录：./core/frontend/dist/ui（兼容 ../core/frontend/dist/ui）
+	// 构建产物目录（可执行目录优先）
 	r.GET("/ui/*filepath", func(c *gin.Context) {
 		// 物理文件优先，否则回退到 index.html（支持前端路由）
 		requested := c.Param("filepath")
 		if requested == "" || requested == "/" {
-			base := "./core/frontend/dist/ui/index.html"
-			if _, err := os.Stat(base); os.IsNotExist(err) {
-				alt := "../core/frontend/dist/ui/index.html"
-				if _, err2 := os.Stat(alt); err2 == nil {
-					base = alt
+			// index.html
+			candidates := []string{
+				filepath.Join(exeDir, "core/frontend/dist/ui/index.html"),
+				filepath.Join(exeDir, "..", "core/frontend/dist/ui/index.html"),
+				"./core/frontend/dist/ui/index.html",
+				"../core/frontend/dist/ui/index.html",
+			}
+			for _, p := range candidates {
+				if _, err := os.Stat(p); err == nil {
+					c.File(p)
+					return
 				}
 			}
-			c.File(base)
+			c.String(http.StatusNotFound, "ui not found")
 			return
 		}
-		baseDir := "./core/frontend/dist/ui"
-		if _, err := os.Stat(baseDir); os.IsNotExist(err) {
-			if _, err2 := os.Stat("../core/frontend/dist/ui"); err2 == nil {
-				baseDir = "../core/frontend/dist/ui"
+		// 选择 baseDir
+		baseDirCandidates := []string{
+			filepath.Join(exeDir, "core/frontend/dist/ui"),
+			filepath.Join(exeDir, "..", "core/frontend/dist/ui"),
+			"./core/frontend/dist/ui",
+			"../core/frontend/dist/ui",
+		}
+		baseDir := baseDirCandidates[0]
+		for _, d := range baseDirCandidates {
+			if st, err := os.Stat(d); err == nil && st.IsDir() {
+				baseDir = d
+				break
 			}
 		}
 		full := baseDir + requested
diff --git a/internal/server/udp.go b/internal/server/udp.go
index d73ae2b..36c7892 100644
--- a/internal/server/udp.go
+++ b/internal/server/udp.go
@@ -45,21 +45,30 @@ var (
 	currentLogDay int
 )
 
+// getLogBaseDir 返回日志目录：优先环境变量 LOG_DIR，否则使用可执行文件所在目录下的 log 子目录
+func getLogBaseDir() string {
+	if v := os.Getenv("LOG_DIR"); strings.TrimSpace(v) != "" {
+		return v
+	}
+	exe, _ := os.Executable()
+	exeDir := filepath.Dir(exe)
+	return filepath.Join(exeDir, "log")
+}
+
 // getLogFileName 获取当前日期的日志文件名
 func getLogFileName() string {
 	currentTime := time.Now()
-	return filepath.Join("log", fmt.Sprintf("%s.log", currentTime.Format("2006-01-02")))
+	return filepath.Join(getLogBaseDir(), fmt.Sprintf("%s.log", currentTime.Format("2006-01-02")))
 }
 
 // openLogFile 打开日志文件
 func openLogFile() (*os.File, error) {
-	logDir := "log"
-	if _, err := os.Stat(logDir); os.IsNotExist(err) {
-		os.MkdirAll(logDir, 0755)
+	logDir := getLogBaseDir()
+	if err := os.MkdirAll(logDir, 0o755); err != nil {
+		return nil, err
 	}
-
 	logFileName := getLogFileName()
-	return os.OpenFile(logFileName, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+	return os.OpenFile(logFileName, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
 }
 
 // SetupLogger 设置日志系统