feat(plan): add error handling for JSON format validation

csst_dfs_client/plan.py

@@ -121,7 +121,12 @@ def write_file(local_file: Union[IO, str, list]) -> Result:
         Result: 操作的结果对象，包含操作是否成功以及相关的错误信息，成功返回数据对象。
 
     """
-    data = load_file(local_file)
+    data = []
+    try:
+        data = load_file(local_file)
+    except Exception as _:
+        return Result.error("error json format")
+    
     for i in range(0, len(data), WRITE_BATCH_SIZE):
         batch_data = data[i:i + WRITE_BATCH_SIZE]
         response = request.post("/api/plan/file", {"plans": batch_data})