add file_tree to SPO's README.md

examples/spo/README.md

@@ -103,3 +103,28 @@ ### 3. Implement the Optimizer 🔧
 ```bash
 python optimize.py --help
 ```
+
+### 4. View Results
+```
+workspace
+  └── Project_name
+      └── prompts
+          ├── results.json 
+          ├── round_1
+          │   ├── answers.txt
+          │   └── prompt.txt
+          ├── round_2
+          │   ├── answers.txt
+          │   └── prompt.txt
+          ├── round_3
+          │   ├── answers.txt
+          │   └── prompt.txt
+          ├── ...
+          └── round_n
+              ├── answers.txt
+              └── prompt.txt
+```
+
+- `results.json`: Stores whether each iteration round was judged successful and other related information
+- `prompt.txt`: The optimized prompt for the corresponding round
+- `answers.txt`: The output results generated using the prompt for the corresponding round

metagpt/ext/spo/utils/load.py

@@ -13,7 +13,7 @@ def set_file_name(name):
 def load_meta_data(k=SAMPLE_K):
 
     # load yaml file
-    config_path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'settings', FILE_NAME)
+    config_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'settings', FILE_NAME)
     with open(config_path, 'r', encoding='utf-8') as file:
         data = yaml.safe_load(file)