diff --git a/app/services/grok/services/chat.py b/app/services/grok/services/chat.py
index e2da2fb..0ee6428 100644
--- a/app/services/grok/services/chat.py
+++ b/app/services/grok/services/chat.py
@@ -33,7 +33,7 @@ _CHAT_SEMAPHORE = None
 _CHAT_SEM_VALUE = None
 
 
-def extract_tool_text(raw: str) -> str:
+def extract_tool_text(raw: str, rollout_id: str = "") -> str:
     if not raw:
         return ""
     name_match = re.search(
@@ -60,12 +60,13 @@ def extract_tool_text(raw: str) -> str:
 
     label = name
     text = args
+    prefix = f"[{rollout_id}]" if rollout_id else ""
     if name == "web_search":
-        label = "[WebSearch]"
+        label = f"{prefix}[WebSearch]"
         if isinstance(payload, dict):
             text = payload.get("query") or payload.get("q") or ""
     elif name == "search_images":
-        label = "[SearchImage]"
+        label = f"{prefix}[SearchImage]"
         if isinstance(payload, dict):
             text = (
                 payload.get("image_description")
@@ -74,7 +75,7 @@ def extract_tool_text(raw: str) -> str:
                 or ""
             )
     elif name == "chatroom_send":
-        label = "[AgentThink]"
+        label = f"{prefix}[AgentThink]"
         if isinstance(payload, dict):
             text = payload.get("message") or ""
 
@@ -415,6 +416,7 @@ class StreamProcessor(proc_base.BaseProcessor):
     def __init__(self, model: str, token: str = "", show_think: bool = None):
         super().__init__(model, token)
         self.response_id: str = None
+        self.rollout_id: str = ""
         self.fingerprint: str = ""
         self.think_opened: bool = False
         self.role_sent: bool = False
@@ -444,7 +446,7 @@ class StreamProcessor(proc_base.BaseProcessor):
                     return "".join(output_parts)
                 end_pos = end_idx + len(end_tag)
                 self._tool_usage_buffer += rest[:end_pos]
-                line = extract_tool_text(self._tool_usage_buffer)
+                line = extract_tool_text(self._tool_usage_buffer, self.rollout_id)
                 if line:
                     if output_parts and not output_parts[-1].endswith("\n"):
                         output_parts[-1] += "\n"
@@ -470,7 +472,7 @@ class StreamProcessor(proc_base.BaseProcessor):
 
             end_pos = end_idx + len(end_tag)
             raw_card = rest[start_idx:end_pos]
-            line = extract_tool_text(raw_card)
+            line = extract_tool_text(raw_card, self.rollout_id)
             if line:
                 if output_parts and not output_parts[-1].endswith("\n"):
                     output_parts[-1] += "\n"
@@ -554,6 +556,8 @@ class StreamProcessor(proc_base.BaseProcessor):
                     self.fingerprint = llm.get("modelHash", "")
                 if rid := resp.get("responseId"):
                     self.response_id = rid
+                if rid := resp.get("rolloutId"):
+                    self.rollout_id = str(rid)
 
                 if not self.role_sent:
                     yield self._sse(role="assistant")
@@ -697,11 +701,17 @@ class CollectProcessor(proc_base.BaseProcessor):
 
         result = content
         if "xai:tool_usage_card" in self.filter_tags:
+            rollout_id = ""
+            rollout_match = re.search(
+                r"<rolloutId>(.*?)</rolloutId>", result, flags=re.DOTALL
+            )
+            if rollout_match:
+                rollout_id = rollout_match.group(1).strip()
             result = re.sub(
                 r"<xai:tool_usage_card[^>]*>.*?</xai:tool_usage_card>",
                 lambda match: (
-                    f"{extract_tool_text(match.group(0))}\n"
-                    if extract_tool_text(match.group(0))
+                    f"{extract_tool_text(match.group(0), rollout_id)}\n"
+                    if extract_tool_text(match.group(0), rollout_id)
                     else ""
                 ),
                 result,
diff --git a/app/static/public/js/chat.js b/app/static/public/js/chat.js
index e5e2b2b..3fe7596 100644
--- a/app/static/public/js/chat.js
+++ b/app/static/public/js/chat.js
@@ -728,16 +728,29 @@
     return parts;
   }
 
-  function parseRolloutBlocks(text) {
+  function parseRolloutBlocks(text, defaultId = 'General') {
     const lines = (text || '').split(/\r?\n/);
     const blocks = [];
     let current = null;
     for (const line of lines) {
-      const match = line.match(/^\s*\[([^\]]+)\]\[([^\]]+)\]\s*(.*)$/);
-      if (match) {
+      const matchDouble = line.match(/^\s*\[([^\]]+)\]\[([^\]]+)\]\s*(.*)$/);
+      if (matchDouble) {
         if (current) blocks.push(current);
-        current = { id: match[1], type: match[2], lines: [] };
-        if (match[3]) current.lines.push(match[3]);
+        current = { id: matchDouble[1], type: matchDouble[2], lines: [] };
+        if (matchDouble[3]) current.lines.push(matchDouble[3]);
+        continue;
+      }
+      const matchSingle = line.match(/^\s*\[([^\]]+)\]\s*(.*)$/);
+      if (matchSingle) {
+        const maybeType = String(matchSingle[1] || '').trim();
+        if (/^(WebSearch|SearchImage|AgentThink)$/i.test(maybeType)) {
+          if (current) blocks.push(current);
+          current = { id: defaultId || 'General', type: maybeType, lines: [] };
+          if (matchSingle[2]) current.lines.push(matchSingle[2]);
+          continue;
+        }
+      }
+      if (current && /^\s*\[[^\]]+\]\s*$/.test(line)) {
         continue;
       }
       if (current) {
@@ -779,6 +792,56 @@
     return sections;
   }
 
+  function splitBlocksIntoSyntheticAgents(blocks) {
+    const list = Array.isArray(blocks) ? blocks : [];
+    if (!list.length) return [];
+
+    const ids = Array.from(new Set(list.map((b) => String(b.id || '').trim()).filter(Boolean)));
+    const nonGeneralIds = ids.filter((id) => !/^general$/i.test(id));
+
+    // 优先按 rollout id 分组，能更稳定地映射多 agent。
+    if (nonGeneralIds.length >= 2) {
+      const groups = [];
+      const map = new Map();
+      for (const block of list) {
+        const key = String(block.id || 'General');
+        let group = map.get(key);
+        if (!group) {
+          group = { key, blocks: [] };
+          map.set(key, group);
+          groups.push(group);
+        }
+        group.blocks.push(block);
+      }
+      return groups.map((group, idx) => ({
+        title: idx === 0 ? 'Grok Leader' : `Agent ${idx}`,
+        blocks: group.blocks
+      }));
+    }
+
+    // 兜底：按 AgentThink 作为阶段收束点切分。
+    const sections = [];
+    let current = [];
+    for (const block of list) {
+      current.push(block);
+      if (/^agentthink$/i.test(String(block.type || '').trim())) {
+        sections.push(current);
+        current = [];
+      }
+    }
+    if (current.length) {
+      sections.push(current);
+    }
+
+    if (sections.length <= 1) {
+      return [{ title: 'Grok Leader', blocks: list }];
+    }
+    return sections.map((part, idx) => ({
+      title: idx === 0 ? 'Grok Leader' : `Agent ${idx}`,
+      blocks: part
+    }));
+  }
+
   function renderThinkContent(text, openAll) {
     const sections = parseAgentSections(text);
     if (!sections.length) {
@@ -812,7 +875,18 @@
     };
 
     const agentBlocks = sections.map((section, idx) => {
-      const blocks = parseRolloutBlocks(section.lines.join('\n'));
+      const blocks = parseRolloutBlocks(section.lines.join('\n'), section.title || 'General');
+      if (!section.title && blocks.length) {
+        const synthetic = splitBlocksIntoSyntheticAgents(blocks);
+        if (synthetic.length > 1) {
+          return synthetic.map((agent, agentIdx) => {
+            const inner = renderGroups(agent.blocks, openAll);
+            const title = escapeHtml(agent.title);
+            const openAttr = openAll ? ' open' : (idx === 0 && agentIdx === 0 ? ' open' : '');
+            return `<details class="think-agent"${openAttr}><summary>${title}</summary><div class="think-agent-items">${inner}</div></details>`;
+          }).join('');
+        }
+      }
       const inner = blocks.length
         ? renderGroups(blocks, openAll)
         : `<div class="think-rollout-body">${renderBasicMarkdown(section.lines.join('\n').trim())}</div>`;