diff --git a/api/eventlog/store/barrel.go b/api/eventlog/store/barrel.go
index 616ef7b6c..1c81c4747 100644
--- a/api/eventlog/store/barrel.go
+++ b/api/eventlog/store/barrel.go
@@ -19,6 +19,7 @@
 package store
 
 import (
+	"encoding/json"
 	"errors"
 	"github.com/goodrain/rainbond/api/eventlog/db"
 	"sync"
@@ -110,8 +111,23 @@ type readEventBarrel struct {
 	subLock       sync.Mutex
 	updateTime    time.Time
 	// 新增字段
-	eventID   string     // 事件ID
-	fileStore FileStore  // 文件存储
+	eventID   string    // 事件ID
+	fileStore FileStore // 文件存储
+}
+
+// rebuildMessageContent 从结构化字段重建Content（用于从文件读取的消息）
+func rebuildMessageContent(m *db.EventLogMessage) {
+	data := map[string]string{
+		"event_id": m.EventID,
+		"step":     m.Step,
+		"status":   m.Status,
+		"message":  m.Message,
+		"level":    m.Level,
+		"time":     m.Time,
+	}
+	if content, err := json.Marshal(data); err == nil {
+		m.Content = content
+	}
 }
 
 func (r *readEventBarrel) empty() {
@@ -155,31 +171,30 @@ func (r *readEventBarrel) insertMessage(message *db.EventLogMessage) {
 }
 
 func (r *readEventBarrel) pushCashMessage(ch chan *db.EventLogMessage, subID string) {
-	// 从文件读取历史消息并推送
+	// 先注册订阅通道，确保实时消息不会丢失
+	r.subLock.Lock()
+	r.subSocketChan[subID] = ch
+	r.subLock.Unlock()
+
+	// 再从文件读取历史消息并推送
 	if r.fileStore != nil && r.eventID != "" {
-		// 只推送最近1000条，避免推送过多
 		messages, err := r.fileStore.ReadLast(r.eventID, 1000)
 		if err != nil {
 			logrus.Errorf("Failed to read history for event %s: %v", r.eventID, err)
 		} else {
-			// 推送历史消息
 			for _, m := range messages {
+				if m.Content == nil {
+					rebuildMessageContent(m)
+				}
 				select {
 				case ch <- m:
 				case <-time.After(5 * time.Second):
-					// 超时保护，避免阻塞
 					logrus.Warnf("Timeout pushing history for event %s", r.eventID)
-					goto done
+					return
 				}
 			}
 		}
 	}
-
-done:
-	// 注册订阅通道
-	r.subLock.Lock()
-	defer r.subLock.Unlock()
-	r.subSocketChan[subID] = ch
 }
 
 // 增加socket订阅
@@ -191,7 +206,7 @@ func (r *readEventBarrel) addSubChan(subID string) chan *db.EventLogMessage {
 	}
 	r.subLock.Unlock()
 
-	ch := make(chan *db.EventLogMessage, 10)
+	ch := make(chan *db.EventLogMessage, 1024)
 	// 异步推送历史消息（从文件读取）
 	go r.pushCashMessage(ch, subID)
 	return ch
@@ -268,29 +283,30 @@ func (r *dockerLogEventBarrel) insertMessage(message *db.EventLogMessage) {
 }
 
 func (r *dockerLogEventBarrel) pushCashMessage(ch chan *db.EventLogMessage, subID string) {
-	// 从文件读取历史消息并推送
+	// 先注册订阅通道，确保实时消息不会丢失
+	r.subLock.Lock()
+	r.subSocketChan[subID] = ch
+	r.subLock.Unlock()
+
+	// 再从文件读取历史消息并推送
 	if r.fileStore != nil && r.name != "" {
-		// Docker日志可能很多，只推送最近1000条
 		messages, err := r.fileStore.ReadLast(r.name, 1000)
 		if err != nil {
 			logrus.Errorf("Failed to read docker log history for %s: %v", r.name, err)
 		} else {
 			for _, m := range messages {
+				if m.Content == nil {
+					rebuildMessageContent(m)
+				}
 				select {
 				case ch <- m:
 				case <-time.After(5 * time.Second):
 					logrus.Warnf("Timeout pushing docker log history for %s", r.name)
-					goto done
+					return
 				}
 			}
 		}
 	}
-
-done:
-	// 注册订阅
-	r.subLock.Lock()
-	defer r.subLock.Unlock()
-	r.subSocketChan[subID] = ch
 }
 
 // 增加socket订阅
diff --git a/api/eventlog/store/manager.go b/api/eventlog/store/manager.go
index 7692e45c9..c51ae7b6a 100644
--- a/api/eventlog/store/manager.go
+++ b/api/eventlog/store/manager.go
@@ -337,9 +337,7 @@ func (s *storeManager) parsingMessage(msg []byte, messageType string) (*db2.Even
 	}
 	//message := s.pool.Get().(*db.EventLogMessage)不能使用对象池，会阻塞进程
 	var message db2.EventLogMessage
-	// 不再保存原始Content字节数组，避免内存冗余占用
-	// 反序列化后，字段已经被解析，不需要再保留原始数据
-	// message.Content = msg
+	message.Content = msg
 	if messageType == "json" {
 		err := ffjson.Unmarshal(msg, &message)
 		if err != nil {