diff --git a/wwwroot/api/model_perf.dspy b/wwwroot/api/model_perf.dspy
index 4315b06..777aa0f 100644
--- a/wwwroot/api/model_perf.dspy
+++ b/wwwroot/api/model_perf.dspy
@@ -1,4 +1,5 @@
 # 模型性能统计 API
+import json
 env = request._run_ns
 async with get_sor_context(env, 'sage_datamark') as sor:
     rows = await env.api_model_perf(sor, params_kw)
diff --git a/wwwroot/api/provider_roi.dspy b/wwwroot/api/provider_roi.dspy
index 0284059..90c0e10 100644
--- a/wwwroot/api/provider_roi.dspy
+++ b/wwwroot/api/provider_roi.dspy
@@ -1,4 +1,5 @@
 # 供应商性价比 API
+import json
 env = request._run_ns
 async with get_sor_context(env, 'sage_datamark') as sor:
     rows = await env.api_provider_roi(sor, params_kw)