feat: generate default token after register

controller/user.go

@@ -173,6 +173,18 @@ func Register(c *gin.Context) {
 		})
 		return
 	}
+	user.ValidateAndFill()
+    cleanToken := model.Token{
+        UserId:     user.Id,
+        Name:      "default",
+        Key:      random.GenerateKey(),
+        CreatedTime:  0,
+        AccessedTime:  0,
+		ExpiredTime:  -1,
+		RemainQuota:  -1,
+		UnlimitedQuota: true,
+  	}
+  	cleanToken.Insert()
 	c.JSON(http.StatusOK, gin.H{
 		"success": true,
 		"message": "",