diff --git a/langgraph/src/agent/enterprise/nodes/tool-executor.ts b/langgraph/src/agent/enterprise/nodes/tool-executor.ts
index f8378e3..db9581f 100644
--- a/langgraph/src/agent/enterprise/nodes/tool-executor.ts
+++ b/langgraph/src/agent/enterprise/nodes/tool-executor.ts
@@ -392,6 +392,7 @@ export async function toolExecutorNode(
       statusList.push({ tool: name, status: "error", message: blockReason });
       executionLog.push({
         tool: name,
+        toolCallId: id,
         status: "error",
         summary: blockReason,
         timestamp: Date.now(),
@@ -467,6 +468,7 @@ export async function toolExecutorNode(
               });
               const fallbackLogEntry: ExecutionLogEntry = {
                 tool: name,
+                toolCallId: id,
                 status: "fallback_success",
                 summary: `知识库不可用，回退到网络搜索，获取 ${fallbackResults.length} 条结果`,
                 timestamp: Date.now(),
@@ -494,6 +496,7 @@ export async function toolExecutorNode(
               statusList.push({ tool: name, status: "error", message: formatToolError(name, kbError) });
               const dblFailEntry: ExecutionLogEntry = {
                 tool: name,
+                toolCallId: id,
                 status: "error",
                 summary: "知识库及网络搜索均不可用",
                 timestamp: Date.now(),
@@ -605,6 +608,7 @@ export async function toolExecutorNode(
           }
           const kbLogEntry: ExecutionLogEntry = {
             tool: name,
+            toolCallId: id,
             status: results.length === 0 ? "partial_success" : "success",
             summary: execSummary,
             timestamp: Date.now(),
@@ -732,7 +736,7 @@ export async function toolExecutorNode(
 
           if (tickets.length === 0) {
             statusList.push({ tool: name, status: "empty", message: "未查询到工单" });
-            const tlEmptyEntry: ExecutionLogEntry = { tool: name, status: "partial_success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`page: ${parsed.page ?? 1}`), durationMs: Date.now() - startTime, resultCount: 0, retryCount: tlRetryCount };
+            const tlEmptyEntry: ExecutionLogEntry = { tool: name, toolCallId: id, status: "partial_success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`page: ${parsed.page ?? 1}`), durationMs: Date.now() - startTime, resultCount: 0, retryCount: tlRetryCount };
             executionLog.push(tlEmptyEntry);
             logToolCall(tlEmptyEntry);
             return {
@@ -749,7 +753,7 @@ export async function toolExecutorNode(
             };
           }
           statusList.push({ tool: name, status: "ok" });
-          const tlOkEntry: ExecutionLogEntry = { tool: name, status: "success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`page: ${parsed.page ?? 1}`), durationMs: Date.now() - startTime, resultCount: tickets.length, retryCount: tlRetryCount };
+          const tlOkEntry: ExecutionLogEntry = { tool: name, toolCallId: id, status: "success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`page: ${parsed.page ?? 1}`), durationMs: Date.now() - startTime, resultCount: tickets.length, retryCount: tlRetryCount };
           executionLog.push(tlOkEntry);
           logToolCall(tlOkEntry);
           return {
@@ -797,7 +801,7 @@ export async function toolExecutorNode(
             { message: lastAiMessage },
           );
           statusList.push({ tool: name, status: "ok" });
-          const tdOkEntry: ExecutionLogEntry = { tool: name, status: "success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`ticket_id: ${parsed.ticket_id}`), durationMs: Date.now() - startTime, resultCount: 1, retryCount: tdRetryCount };
+          const tdOkEntry: ExecutionLogEntry = { tool: name, toolCallId: id, status: "success", summary: execSummary, timestamp: Date.now(), inputSummary: truncateInput(`ticket_id: ${parsed.ticket_id}`), durationMs: Date.now() - startTime, resultCount: 1, retryCount: tdRetryCount };
           executionLog.push(tdOkEntry);
           logToolCall(tdOkEntry);
           return {
@@ -847,6 +851,7 @@ export async function toolExecutorNode(
           statusList.push({ tool: name, status: "ok" });
           const chartLogEntry: ExecutionLogEntry = {
             tool: name,
+            toolCallId: id,
             status: "success",
             summary: `图表已生成：${parsed.title}`,
             timestamp: Date.now(),
@@ -877,6 +882,7 @@ export async function toolExecutorNode(
       const argsStr = typeof args === "object" ? JSON.stringify(args) : String(args);
       const errLogEntry: ExecutionLogEntry = {
         tool: name,
+        toolCallId: id,
         status: "error",
         summary: friendlyError,
         timestamp: Date.now(),
diff --git a/langgraph/src/agent/enterprise/types.ts b/langgraph/src/agent/enterprise/types.ts
index bf880fe..58b0b19 100644
--- a/langgraph/src/agent/enterprise/types.ts
+++ b/langgraph/src/agent/enterprise/types.ts
@@ -20,6 +20,8 @@ export type ToolStatus =
  */
 export type ExecutionLogEntry = {
   tool: string;
+  /** Corresponds to LLM tool_call.id for precise frontend matching */
+  toolCallId?: string;
   status: ToolStatus;
   timestamp: number;
   durationMs: number;