fix: 在 MsgInHandler 和 NewWebSocketClient 中增强错误处理，添加详细的日志记录以捕获异常信息和堆栈跟踪

handler/handler.go

@@ -1,9 +1,12 @@
 package handler
 
 import (
+	"fmt"
 	"log"
 	"regexp"
+	"runtime/debug"
 	"strings"
+	"time"
 
 	"git.lxtend.com/qqbot/auth"
 	"git.lxtend.com/qqbot/constants"
@@ -88,7 +91,10 @@ func RegisterRegexHandler(trigger string, handler model.Handler, level constants
 func MsgInHandler(msg model.Message) (reply model.Reply) {
 	defer func() {
 		if r := recover(); r != nil {
-			log.Default().Printf("Recovered in MsgInHandler: %v", r)
+			stack := debug.Stack()
+			errMsg := fmt.Sprintf("[%s] Panic recovered:\nError: %v\nStack Trace:\n%s\n",
+				time.Now().Format("2006-01-02 15:04:05"), r, stack)
+			log.Print(errMsg)
 		}
 	}()
 	if msg.RawMsg != "" {