初步添加了标定支持，需要完善和测试

src-tauri/src/log.rs

@@ -1,12 +1,40 @@
 use fern::{Dispatch, colors::{Color, ColoredLevelConfig}};
 use log::{debug};
+use std::fs;
+use std::path::PathBuf;
 use std::time::SystemTime;
+
+fn resolve_log_dir() -> PathBuf {
+    if let Some(override_dir) = std::env::var_os("JE_SKIN_LOG_DIR") {
+        return PathBuf::from(override_dir);
+    }
+
+    if cfg!(target_os = "windows") {
+        if let Some(local_app_data) = std::env::var_os("LOCALAPPDATA") {
+            return PathBuf::from(local_app_data).join("JE-Skin").join("logs");
+        }
+    }
+
+    std::env::temp_dir().join("JE-Skin").join("logs")
+}
+
+fn ensure_log_dir() -> PathBuf {
+    let preferred = resolve_log_dir();
+    if fs::create_dir_all(&preferred).is_ok() {
+        return preferred;
+    }
+
+    let fallback = std::env::temp_dir().join("JE-Skin").join("logs");
+    let _ = fs::create_dir_all(&fallback);
+    fallback
+}
+
 pub fn setup_logger() {
     let colors_line = ColoredLevelConfig::new()
         .error(Color::Red)
         .warn(Color::Yellow)
         .info(Color::Green)
-        .debug(Color::White)
+        .debug(Color::BrightBlue)
         .trace(Color::BrightBlack);
 
     let colors_level = colors_line.info(Color::Green);
@@ -38,6 +66,9 @@ pub fn setup_logger() {
         // .apply()
         // .unwrap();
 
+    let log_dir = ensure_log_dir();
+    let log_file_base = log_dir.join("program.log");
+
     let file_config = fern::Dispatch::new()
         .format(move |out, message, record| {
             out.finish(
@@ -51,7 +82,7 @@ pub fn setup_logger() {
             );
         })
         .level(level)
-        .chain(fern::DateBased::new("program.log", "%Y-%m-%d"));
+        .chain(fern::DateBased::new(log_file_base, "%Y-%m-%d"));
 
     Dispatch::new()
         .level(log::LevelFilter::Debug)