diff --git a/static/src/components/chat/ChatArea.vue b/static/src/components/chat/ChatArea.vue
index 704b3c8..c260e09 100644
--- a/static/src/components/chat/ChatArea.vue
+++ b/static/src/components/chat/ChatArea.vue
@@ -421,6 +421,13 @@ function formatImageName(path: string): string {
 }
 
 const isStackable = (action: any) => action && (action.type === 'thinking' || action.type === 'tool');
+const isEmptyTextAction = (action: any) => {
+  if (!action || action.type !== 'text') {
+    return false;
+  }
+  const content = typeof action.content === 'string' ? action.content : '';
+  return !content.trim();
+};
 const splitActionGroups = (actions: any[] = [], messageIndex = 0) => {
   const result: Array<
     | { kind: 'stack'; actions: any[]; key: string }
@@ -448,6 +455,9 @@ const splitActionGroups = (actions: any[] = [], messageIndex = 0) => {
   };
 
   actions.forEach((action, idx) => {
+    if (isEmptyTextAction(action)) {
+      return;
+    }
     if (isStackable(action)) {
       buffer.push(action);
     } else {
diff --git a/static/src/composables/useLegacySocket.ts b/static/src/composables/useLegacySocket.ts
index 7e1cf9d..b8be6db 100644
--- a/static/src/composables/useLegacySocket.ts
+++ b/static/src/composables/useLegacySocket.ts
@@ -380,11 +380,6 @@ export async function initializeLegacySocket(ctx: any) {
                 remainderToAppendLength: remainderToAppend.length,
                 finalLength: finalText.length
             });
-            if (finalText && !ensureActiveTextAction()) {
-                ensureActiveMessageBinding();
-                const action = ctx.chatStartTextAction();
-                streamingState.activeTextAction = action || ensureActiveTextAction();
-            }
             if (remainderToAppend) {
                 applyTextChunk(remainderToAppend);
             }
@@ -935,9 +930,10 @@ export async function initializeLegacySocket(ctx: any) {
             logStreamingDebug('socket:text_start');
             finalizeStreamingText({ force: true });
             resetStreamingBuffer();
+            const action = ctx.chatStartTextAction();
             streamingState.activeMessageIndex =
                 typeof ctx.currentMessageIndex === 'number' ? ctx.currentMessageIndex : null;
-            streamingState.activeTextAction = null;
+            streamingState.activeTextAction = action || ensureActiveTextAction();
             ensureActiveMessageBinding();
             ctx.$forceUpdate();
         });
@@ -962,11 +958,6 @@ export async function initializeLegacySocket(ctx: any) {
                 console.warn('上报chunk日志失败:', error);
             }
             if (data && typeof data.content === 'string' && data.content.length) {
-                if (!ensureActiveTextAction()) {
-                    ensureActiveMessageBinding();
-                    const action = ctx.chatStartTextAction();
-                    streamingState.activeTextAction = action || ensureActiveTextAction();
-                }
                 if (STREAMING_ENABLED) {
                     enqueueStreamingContent(data.content);
                 } else {