diff --git a/resources/catalog.json b/resources/catalog.json
index 84c5c6e..6e2bb85 100644
--- a/resources/catalog.json
+++ b/resources/catalog.json
@@ -67132,14 +67132,14 @@
         },
         {
           "key": "image_path",
-          "label": "目标文件路径",
+          "label": "截图保存路径",
           "widget": "file",
           "type": "object",
           "displayType": "selectFile",
           "required": true,
           "defaultValue": "",
           "placeholder": "如 D:\\files\\demo.png",
-          "description": "选择要截图的图片文件路径",
+          "description": "截图保存的完整文件路径（含文件名），点右侧按钮可直接选保存位置；留空时保存到「截图输出目录+截图文件名称」，再留空则保存到流程资源目录",
           "advanced": false,
           "valueTypes": [
             "rpa_str_file",
@@ -67194,8 +67194,8 @@
           "required": false,
           "defaultValue": "",
           "placeholder": "如 D:\\output",
-          "description": "输出目录为空，将会保存文件到流程资源目录",
-          "advanced": false,
+          "description": "备用输出目录；「截图保存路径」为空时，截图保存到该目录下的「截图文件名称」",
+          "advanced": true,
           "valueTypes": [
             "rpa_str_folder",
             "rpa_str"
@@ -67210,8 +67210,8 @@
           "required": false,
           "defaultValue": "",
           "placeholder": "输入内容或 ${变量}",
-          "description": "文件名称为空，将会自动生成文件名",
-          "advanced": false,
+          "description": "备用文件名；仅当「截图保存路径」为空时使用，留空则自动生成文件名",
+          "advanced": true,
           "valueTypes": [
             "rpa_str"
           ]
diff --git a/src/main/capabilities/vision.ts b/src/main/capabilities/vision.ts
index 77f4849..dd53bf9 100644
--- a/src/main/capabilities/vision.ts
+++ b/src/main/capabilities/vision.ts
@@ -190,8 +190,8 @@ register("Image_Screenshot", async (ctx, node, args) => {
   if (source === "2") {
     // 指定图片文件来源：image_path 为输入图片；输出走 输出目录+文件名，两者均未配置时直接返回源文件
     if (!imageArg.trim()) {
-      throw new RuntimeError("validation_error", "图像来源为「指定图片文件」时，目标文件路径需填写源图片路径", {
-        recommendation: "在目标文件路径选择一张已存在的图片，或将图像来源改回「当前屏幕」"
+      throw new RuntimeError("validation_error", "图像来源为「指定图片文件」时，截图保存路径需填写源图片路径", {
+        recommendation: "在截图保存路径选择一张已存在的图片，或将图像来源改回「当前屏幕」"
       });
     }
     const sourceFile = path.resolve(imageArg);