Update.

Author: xOS

cmd/dashboard/controller/controller.go

@@ -27,9 +27,14 @@ import (
 	"github.com/xos/serverstatus/service/singleton"
 )
 
-// WriteJSON 使用 Gin 原生 JSON 写出，保持历史行为，避免前端解析差异
+// WriteJSON encodes v to JSON once and writes with proper headers, using gzip when accepted.
 func WriteJSON(c *gin.Context, status int, v interface{}) {
-	c.JSON(status, v)
+	payload, err := utils.EncodeJSON(v)
+	if err != nil {
+		// best-effort empty array fallback
+		payload, _ = utils.EncodeJSON([]any{})
+	}
+	WriteJSONPayload(c, status, payload)
 }
 
 // WriteJSONPayload writes a pre-encoded JSON payload with gzip when client accepts it.

cmd/dashboard/controller/member_api.go

@@ -808,7 +808,15 @@ func (ma *memberAPI) addOrEditMonitor(c *gin.Context) {
 	var mf monitorForm
 	var m model.Monitor
 	err := c.ShouldBindJSON(&mf)
+	if err != nil {
+		// 回退到表单绑定，兼容 application/x-www-form-urlencoded
+		if ferr := c.ShouldBind(&mf); ferr == nil {
+			err = nil
+		}
+	}
 	if err == nil {
+		log.Printf("[Monitor] 收到提交: ID=%d Name=%s Type=%d Cover=%d Duration=%d SkipServersRaw=%s FailTasks=%s RecoverTasks=%s",
+			mf.ID, mf.Name, mf.Type, mf.Cover, mf.Duration, mf.SkipServersRaw, mf.FailTriggerTasksRaw, mf.RecoverTriggerTasksRaw)
 		m.Name = mf.Name
 		m.Target = strings.TrimSpace(mf.Target)
 		m.Type = mf.Type

pkg/mygin/error.go

@@ -4,7 +4,7 @@ import (
 	"net/http"
 
 	"github.com/gin-gonic/gin"
-
+	"github.com/xos/serverstatus/pkg/utils"
 	"github.com/xos/serverstatus/model"
 	"github.com/xos/serverstatus/service/singleton"
 )
@@ -37,5 +37,14 @@ func ShowErrorPage(c *gin.Context, i ErrInfo, isPage bool) {
 
 // writeJSON 统一 JSON 输出路径（mygin 内部使用）
 func writeJSON(c *gin.Context, status int, v interface{}) {
-	c.JSON(status, v)
+	payload, err := utils.EncodeJSON(v)
+	if err != nil {
+		// 降级兜底
+		payload, _ = utils.EncodeJSON(model.Response{Code: status, Message: http.StatusText(status)})
+	}
+	c.Status(status)
+	c.Writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	if _, gz, _ := utils.GzipIfAccepted(c.Writer, c.Request, payload); !gz {
+		_, _ = c.Writer.Write(payload)
+	}
 }

resource/static/main.js

@@ -202,7 +202,20 @@ function showFormModal(modelSelector, formID, URL, getData) {
           }
         });
 
-        $.post(URL, JSON.stringify(data))
+        // 更优雅：使用 Semantic UI Dropdown API 获取多选值，避免依赖 onChange 或标签扫描
+        $(formID).find('.ui.multiple.dropdown').each(function() {
+          const $dropdown = $(this);
+          const $hidden = $dropdown.find('input[type="hidden"]');
+          const name = $hidden.attr('name');
+          if (!name || !name.endsWith('Raw')) return;
+          let values = $dropdown.dropdown('get values') || [];
+          // 统一为数字（若能转换），再序列化为 JSON 数组字符串
+          values = values.map(v => { const n = parseInt(v); return isNaN(n) ? v : n; });
+          data[name] = JSON.stringify(values);
+        });
+
+        // 使用表单方式提交（application/x-www-form-urlencoded），与历史行为一致
+        $.post(URL, data)
           .done(function (resp) {
             if (resp.code == 200) {
               window.location.reload()