feat: add comprehensive error handling to LoraInfo_UTK node - 增加网络连接失败、文件读取错误等异常处理，确保程序稳定运行

web/lora_info.js

@@ -36,9 +36,24 @@ app.registerExtension({
             .fetchApi("/lora_info_utk", { method: "POST", body })
             .then((response) => response.json())
             .then((resp) => {
-              baseModelWidget.value = resp.baseModel;
-              outputWidget.value = resp.output;
-              metaInfoWidget.value = resp.metaInfo;
+              if (resp.error) {
+                // 显示错误信息
+                baseModelWidget.value = "错误";
+                outputWidget.value = `获取信息失败: ${resp.error}`;
+                metaInfoWidget.value = "无法获取元数据";
+              } else {
+                // 正常显示信息
+                baseModelWidget.value = resp.baseModel;
+                outputWidget.value = resp.output;
+                metaInfoWidget.value = resp.metaInfo;
+              }
+            })
+            .catch((error) => {
+              // 处理网络错误
+              console.error("[LoraInfo_UTK] API调用失败:", error);
+              baseModelWidget.value = "网络错误";
+              outputWidget.value = "无法连接到服务器，请检查网络连接";
+              metaInfoWidget.value = "无法获取元数据";
             });
         };
       }
@@ -46,9 +61,16 @@ app.registerExtension({
       const onExecuted = nodeType.prototype.onExecuted;
       nodeType.prototype.onExecuted = function (message) {
         onExecuted?.apply(this, [message]);
-        this.showValueWidget.value = message.text[0];
-        this.baseModelWidget.value = message.model[0];
-        this.metaInfoWidget.value = message.metaInfo ? message.metaInfo[0] : "";
+        try {
+          this.showValueWidget.value = message.text[0];
+          this.baseModelWidget.value = message.model[0];
+          this.metaInfoWidget.value = message.metaInfo ? message.metaInfo[0] : "";
+        } catch (error) {
+          console.error("[LoraInfo_UTK] 更新界面时发生错误:", error);
+          this.showValueWidget.value = "界面更新失败";
+          this.baseModelWidget.value = "";
+          this.metaInfoWidget.value = "";
+        }
       }
     }
   },