diff --git a/src/main/python/run_fusion_regression.py b/src/main/python/run_fusion_regression.py
index bdca48a6c9..9c5a3c7ecd 100644
--- a/src/main/python/run_fusion_regression.py
+++ b/src/main/python/run_fusion_regression.py
@@ -59,7 +59,7 @@ def construct_fusion_commands(yaml_data: dict) -> list:
     return [
         [
             FUSE_COMMAND,
-            '-runs', ' '.join([run for run in yaml_data['runs']]),
+            '-runs', ' '.join(run['file'] for run in yaml_data['runs']),
             '-output', method.get('output'),
             '-method', method.get('name', 'average'),
             '-k', str(method.get('k', 1000)),
@@ -166,6 +166,12 @@ def evaluate_and_verify(yaml_data: dict, dry_run: bool):
         logger.error(f"Failed to load configuration file: {e}")
         exit(1)
 
+    # Check existence of run files
+    for run in yaml_data['runs']:
+        if not os.path.exists(run['file']):
+            logger.error(f"Run file {run['file']} does not exist. Please run the dependent regressions first, recorded in the fusion yaml file.")
+            exit(1)
+
     # Construct the fusion command
     fusion_commands = construct_fusion_commands(yaml_data)
 
@@ -178,4 +184,4 @@ def evaluate_and_verify(yaml_data: dict, dry_run: bool):
     # Evaluate and verify results
     evaluate_and_verify(yaml_data, args.dry_run)
 
-    logger.info(f"Total execution time: {time.time() - start_time:.2f} seconds")
+    logger.info(f"Total execution time: {time.time() - start_time:.2f} seconds")
\ No newline at end of file
diff --git a/src/main/resources/fuse_regression/beir-v1.0.0-robust04.flat.bm25.fuse.bge-base-en-v1.5.bge-flat-onnx.yaml b/src/main/resources/fuse_regression/beir-v1.0.0-robust04.flat.bm25.fuse.bge-base-en-v1.5.bge-flat-onnx.yaml
new file mode 100644
index 0000000000..9d7c68398e
--- /dev/null
+++ b/src/main/resources/fuse_regression/beir-v1.0.0-robust04.flat.bm25.fuse.bge-base-en-v1.5.bge-flat-onnx.yaml
@@ -0,0 +1,75 @@
+---
+corpus: beir-v1.0.0-robust04
+corpus_path: collections/beir-v1.0.0/corpus/robust04/
+
+metrics:
+  - metric: nDCG@10
+    command: bin/trec_eval
+    params: -c -m ndcg_cut.10
+    separator: "\t"
+    parse_index: 2
+    metric_precision: 4
+    can_combine: false
+  - metric: R@100
+    command: bin/trec_eval
+    params: -c -m recall.100
+    separator: "\t"
+    parse_index: 2
+    metric_precision: 4
+    can_combine: false
+  - metric: R@1000
+    command: bin/trec_eval
+    params: -c -m recall.1000
+    separator: "\t"
+    parse_index: 2
+    metric_precision: 4
+    can_combine: false
+
+topic_reader: TsvString
+topics:
+  - name: "BEIR (v1.0.0): Robust04"
+    id: test
+    path: topics.beir-v1.0.0-robust04.test.tsv.gz
+    qrel: qrels.beir-v1.0.0-robust04.test.txt
+
+# Run dependencies for fusion
+runs:
+  - name: flat-bm25
+    dependency: beir-v1.0.0-robust04.flat.yaml
+    file: runs/run.beir-v1.0.0-robust04.flat.bm25.topics.beir-v1.0.0-robust04.test.txt
+  - name: bge-flat-onnx
+    dependency: beir-v1.0.0-robust04.bge-base-en-v1.5.flat.onnx.yaml
+    file: runs/run.beir-v1.0.0-robust04.bge-base-en-v1.5.bge-flat-onnx.topics.beir-v1.0.0-robust04.test.txt
+
+methods:
+  - name: rrf
+    k: 1000
+    depth: 1000
+    rrf_k: 60
+    output: runs/runs.fuse.rrf.beir-v1.0.0-robust04.flat.bm25.bge-base-en-v1.5.bge-flat-onnx.topics.beir-v1.0.0-robust04.test.txt
+    results:
+      nDCG@10:
+        - 0.5070
+      R@100:
+        - 0.4465
+      R@1000:
+        - 0.7219
+  - name: average
+    output: runs/runs.fuse.avg.beir-v1.0.0-robust04.flat.bm25.bge-base-en-v1.5.bge-flat-onnx.topics.beir-v1.0.0-robust04.test.txt
+    results:
+      nDCG@10:
+        - 0.4324
+      R@100:
+        - 0.3963
+      R@1000:
+        - 0.6345
+  - name: interpolation
+    alpha: 0.5
+    output: runs/runs.fuse.interp.beir-v1.0.0-robust04.flat.bm25.bge-base-en-v1.5.bge-flat-onnx.topics.beir-v1.0.0-robust04.test.txt
+    results:      
+      nDCG@10:
+        - 0.4324
+      R@100:
+        - 0.3963
+      R@1000:
+        - 0.6345
\ No newline at end of file