diff --git a/brain/training-status.json b/brain/training-status.json
index 5a42de5..1016b27 100644
--- a/brain/training-status.json
+++ b/brain/training-status.json
@@ -1,6 +1,6 @@
 {
-  "version": "1.1",
-  "last_updated": "2026-05-18T21:00+08:00",
+  "version": "1.2",
+  "last_updated": "2026-05-18T22:45+08:00",
   "updated_by": "铸渊 (ICE-GL-ZY001)",
   "mother_model": {
     "status": "completed",
@@ -27,18 +27,19 @@
   },
   "distill_shuangyan_15b": {
     "status": "running",
-    "status_label": "🔄 蒸馏训练中（PID 82143，step=50 loss=6.66，Epoch 1/3）",
-    "version": "v6",
+    "status_label": "🔄 蒸馏训练中（Screen 87779, step=50 loss=6.68, Epoch 1/3）",
+    "version": "v7",
     "script": "scripts/distill_mother.py",
     "teacher": "母模型7B SFT",
     "student": "Qwen2.5-1.5B-Instruct",
     "method": "KL散度(TEMP=2.0, ALPHA=0.7) + SFT混合",
     "host": "connect.westd.seetacloud.com:23647",
     "ssh_password": "HkM43lFVUIsc",
-    "started_at": "2026-05-18T20:56+08:00",
-    "estimated_completion": "~23:30+08:00",
+    "started_at": "2026-05-18T22:41+08:00",
+    "estimated_completion": "~01:00+08:00",
     "cos_output": "models/shuangyan-15b-distill/final/",
     "fixes": [
+      "v7: PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True + empty_cache在epoch转换/模型加载/每500步",
       "v6: vocab_size截断 fix — Teacher(7B)=152064 → Student(1.5B)=151936",
       "v5: HuggingFace forward参数名修正 (ii→input_ids, am→attention_mask)",
       "v4: num_workers=0 (避免CUDA fork)",
@@ -52,20 +53,20 @@
       {"name": "代码模型SFT训练", "status": "completed", "label": "✅ 已完成"},
       {"name": "上传COS (代码模型)", "status": "completed", "label": "✅ 已完成"},
       {"name": "generation_config修复", "status": "completed", "label": "✅ 两个模型已修复"},
-      {"name": "霜砚1.5B蒸馏", "status": "running", "label": "🔄 训练中（PID 82143, Epoch 1/3）"},
+      {"name": "霜砚1.5B蒸馏", "status": "running", "label": "🔄 训练中（Screen 87779, Epoch 1/3）"},
       {"name": "上传COS (蒸馏输出)", "status": "pending", "label": "⚪ 等待蒸馏完成"}
     ]
   },
   "next_phases": {
-    "distill_shuangyan_15b": "🔄 训练中，预计~23:30完成",
+    "distill_shuangyan_15b": "🔄 训练中，预计~01:00完成",
     "shuangyan_deep_sft": "⏳ 等待蒸馏完成后用霜砚语料深度微调",
     "distill_coder_to_zhuyuan_15b": "⏳ 等待Phase 1+2完成",
     "zhuyuan_deep_sft": "⏳ 等待Phase 3完成"
   },
   "alerts": [
     "⚠️ 之前误判代码模型已完成（COS上有历史checkpoint-540）",
-    "⚠️ 蒸馏v1-v5多次崩溃：路径错误→存储爆炸→CUDA fork→参数名错误→vocab大小不匹配",
-    "⚠️ v6 vocab_size截断修复后训练中，预计~2.6小时完成"
+    "⚠️ 蒸馏经过7次迭代才稳定：路径错误→存储爆炸→CUDA fork→参数名错误→vocab不匹配→OOM(×2)",
+    "⚠️ v7 所有已知崩溃已修复，预计~01:00完成"
   ],
   "links": {
     "notion": "https://www.notion.so/363fb92f383181029fafef8438d6c300"