修改

backend/app/services/eval_service.py

@@ -14,6 +14,13 @@ from app.services.data_management_service import DataManagementService
 class EvalService:
     def __init__(self) -> None:
         self._dm = DataManagementService()
+        self._base_dir = Path(__file__).resolve().parents[2]
+
+    def _resolve_model_path(self, file_path: str) -> Path:
+        p = Path(file_path)
+        if p.is_absolute():
+            return p
+        return self._base_dir / p
 
     # ── dropdown data ─────────────────────────────────────────────────────────
 
@@ -39,7 +46,7 @@ class EvalService:
             if not pkg:
                 raise ValueError('数据包不存在')
 
-            model_path = Path(model.file_path)
+            model_path = self._resolve_model_path(model.file_path)
             model_name = model.model_name
             package_name = pkg.name
 

backend/app/services/train_service.py

@@ -23,7 +23,8 @@ _registry_lock = threading.Lock()
 class TrainService:
     def __init__(self) -> None:
         self._dm = DataManagementService()
-        self._models_dir = Path(__file__).resolve().parents[2] / 'saved_models'
+        self._base_dir = Path(__file__).resolve().parents[2]
+        self._models_dir = self._base_dir / 'saved_models'
         self._models_dir.mkdir(parents=True, exist_ok=True)
 
     # ── packages (for dropdown) ──────────────────────────────────────────────
@@ -147,7 +148,7 @@ class TrainService:
                 package_id=task.package_id,
                 package_name=task.package_name,
                 params=task.params,
-                file_path=str(model_path),
+                file_path=model_path.relative_to(self._base_dir).as_posix(),
                 train_loss=task.train_loss,
                 val_loss=task.val_loss,
                 test_loss=task.test_loss,
@@ -177,7 +178,7 @@ class TrainService:
                 task.is_saved = 0
 
             # Delete the .pt file only if nothing else references it
-            model_path = Path(model.file_path)
+            model_path = self._resolve_model_path(model.file_path)
             if model_path.exists():
                 model_path.unlink(missing_ok=True)
 
@@ -186,6 +187,12 @@ class TrainService:
 
     # ── private helpers ───────────────────────────────────────────────────────
 
+    def _resolve_model_path(self, file_path: str) -> Path:
+        """Return absolute Path whether file_path is relative or absolute."""
+        p = Path(file_path)
+        if p.is_absolute():
+            return p
+        return self._base_dir / p
     def _launch_thread(self, task_id: int, package_id: int, params: dict) -> None:
         cancel_event = threading.Event()
         with _registry_lock:

frontend/dist/assets/DataCurve--Vg_Op5b.js

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-                <span>${e.marker}${e.seriesName}</span>
-                <strong>${T(e.data)}</strong>
-              </div>`)}),t.join(``)}},legend:{bottom:0,itemWidth:18,itemHeight:10,textStyle:{color:`#475569`},data:[`电流(A)`,`电压(V)`,`温度(℃)`]},grid:{top:24,left:24,right:24,bottom:56,containLabel:!0},xAxis:{type:`category`,boundaryGap:!1,data:C.value.map(e=>e.time),axisLabel:{color:`#64748b`,rotate:35},axisLine:{lineStyle:{color:`#94a3b8`}}},yAxis:{type:`value`,axisLabel:{color:`#64748b`},splitLine:{lineStyle:{type:`dashed`,color:`rgba(148, 163, 184, 0.45)`}}},series:[{name:`电流(A)`,type:`line`,smooth:!0,symbol:`circle`,symbolSize:7,data:E(`current`)},{name:`电压(V)`,type:`line`,smooth:!0,symbol:`circle`,symbolSize:7,data:E(`voltage`)},{name:`温度(℃)`,type:`line`,smooth:!0,symbol:`circle`,symbolSize:7,data:E(`actual_temperature`)}],graphic:e?[]:[{type:`text`,left:`center`,top:`middle`,style:{text:`暂无足够数据生成曲线`,fill:`#64748b`,fontSize:14}}]},!0)},O=()=>{S?.resize()};return i(async()=>{await t(),D(),window.addEventListener(`resize`,O)}),a(()=>b.records,async()=>{await t(),D()},{deep:!0}),e(()=>{window.removeEventListener(`resize`,O),S?.dispose(),S=null}),(e,t)=>(r(),s(`div`,f,[o(`div`,p,[o(`div`,m,[t[0]||=o(`div`,{class:`stat-label`},`总条数`,-1),o(`div`,h,n(w.value.count),1)]),o(`div`,g,[t[1]||=o(`div`,{class:`stat-label`},`最高温度`,-1),o(`div`,_,n(T(w.value.max))+` °C`,1)]),o(`div`,v,[t[2]||=o(`div`,{class:`stat-label`},`最低温度`,-1),o(`div`,y,n(T(w.value.min))+` °C`,1)])]),o(`div`,{ref_key:`chartRef`,ref:x,class:`echarts-box`},null,512)]))}},[[`__scopeId`,`data-v-7c9af9ab`]]);export{b as t};
\ No newline at end of file

frontend/dist/assets/DataCurve-DL-fCLWu.css

-.curve-box[data-v-7c9af9ab]{flex-direction:column;gap:14px;height:100%;display:flex}.stats-row[data-v-7c9af9ab]{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.stat-card[data-v-7c9af9ab]{background:#f3f6fb;border-radius:14px;padding:14px 16px}.stat-label[data-v-7c9af9ab]{color:#64748b;margin-bottom:8px;font-size:13px}.stat-value[data-v-7c9af9ab]{color:#0f172a;font-size:18px;font-weight:700}.echarts-box[data-v-7c9af9ab]{background:linear-gradient(#fff,#f8fafc);border:1px solid #0f172a1a;border-radius:14px;flex:1;min-height:360px}

frontend/dist/assets/DataManagement-CA4nqNQp.js

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frontend/dist/assets/ModelTraining-D7HksGk_.css

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frontend/dist/assets/ModelTraining-DPxp6Y6Z.js

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\ No newline at end of file

frontend/dist/assets/PackageManagement-DHmLXqM4.css

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frontend/dist/assets/PackageManagement-DRdx9gQd.js

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\ No newline at end of file

frontend/dist/index.html

@@ -5,10 +5,10 @@
     <link rel="icon" href="/favicon.ico">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>热实验温度控制系统</title>
-    <script type="module" crossorigin src="/assets/index-D5S_ELZm.js"></script>
+    <script type="module" crossorigin src="/assets/index-CvdqK_rU.js"></script>
     <link rel="modulepreload" crossorigin href="/assets/_plugin-vue_export-helper-D1RKUtCV.js">
     <link rel="modulepreload" crossorigin href="/assets/es-DCOtnflc.js">
-    <link rel="stylesheet" crossorigin href="/assets/index-BrwBxauG.css">
+    <link rel="stylesheet" crossorigin href="/assets/index-pfQxyObg.css">
   </head>
   <body>
     <div id="app"></div>