diff --git a/src/renderer/components/chat-area.ts b/src/renderer/components/chat-area.ts
index 394a783..5466465 100644
--- a/src/renderer/components/chat-area.ts
+++ b/src/renderer/components/chat-area.ts
@@ -157,6 +157,22 @@ export function appendMessageDOM(msg: ChatMessage, index: number): void {
     contentHtml = contentHtml.replace('<div class="msg-content"></div>', '');
   }
 
+  // v5.1.2 工具卡片移至文字上方（先展示工具执行过程，再展示最终回答）
+  if (msg.role === 'assistant' && msg.toolCalls && msg.toolCalls.length > 0) {
+    let toolHtml = '<div class="tool-calls-container">';
+    for (const tc of msg.toolCalls) {
+      toolHtml += renderToolCallCard(tc);
+    }
+    toolHtml += '</div>';
+    // 插入到 msg-content 之前
+    const contentIdx = contentHtml.indexOf('<div class="msg-content">');
+    if (contentIdx >= 0) {
+      contentHtml = contentHtml.slice(0, contentIdx) + toolHtml + contentHtml.slice(contentIdx);
+    } else {
+      contentHtml = toolHtml + contentHtml;
+    }
+  }
+
   const stats: string[] = [];
   const statClasses: string[] = [];
   if (msg.timestamp) { stats.push(formatTime(msg.timestamp)); statClasses.push(''); }
@@ -166,14 +182,6 @@ export function appendMessageDOM(msg: ChatMessage, index: number): void {
     contentHtml += `<div class="msg-stats">${stats.map((s, i) => `<span${statClasses[i] ? ` class="${statClasses[i]}"` : ''}>${s}</span>`).join(' · ')}</div>`;
   }
 
-  if (msg.role === 'assistant' && msg.toolCalls && msg.toolCalls.length > 0) {
-    contentHtml += '<div class="tool-calls-container">';
-    for (const tc of msg.toolCalls) {
-      contentHtml += renderToolCallCard(tc);
-    }
-    contentHtml += '</div>';
-  }
-
   div.innerHTML = `
     <div class="msg-avatar">${avatar}</div>
     <div class="msg-body">
diff --git a/src/renderer/styles/style.css b/src/renderer/styles/style.css
index 60e014f..8fe4d6a 100644
--- a/src/renderer/styles/style.css
+++ b/src/renderer/styles/style.css
@@ -833,6 +833,11 @@ html, body {
     box-shadow: var(--shadow-card);
 }
 
+.tool-calls-container + .msg-stats + .msg-content,
+.tool-calls-container + .msg-content {
+    margin-top: 4px;
+}
+
 .msg-content {
     font-size: 14px;
     line-height: 1.7;
@@ -1976,7 +1981,9 @@ html, body {
    ═══════════════════════════════════════════════════════════════ */
 
 .tool-calls-container {
-    margin-top: 10px;
+    margin-bottom: 12px;
+    padding-bottom: 12px;
+    border-bottom: 1px dashed var(--border-subtle);
 }
 
 .tool-call-card {