diff --git a/omniadvisor/pyproject.toml b/omniadvisor/pyproject.toml
index 3dd09bc058e2dbf1971ca3bad77fb4d6636c89d6..d2849e690b254f6c70c9ca03f7502c8199fdd043 100755
--- a/omniadvisor/pyproject.toml
+++ b/omniadvisor/pyproject.toml
@@ -15,12 +15,13 @@ packages = [
 
 [tool.poetry.dependencies]
 # 正式版本依赖
-python = "^3.8"
+python = "~3.9.9"
 django = "~4.2.10"
 smac = "~2.2.0"
 colorlog = "~6.9.0"
 requests = "^2.32.3"
 python-dateutil = "2.9.0.post0"
+psycopg2-binary = "^2.9.10"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^7.4.4"
diff --git a/omniadvisor/src/omniadvisor/interface/config_tuning.py b/omniadvisor/src/omniadvisor/interface/config_tuning.py
index 2d17d4c31c4dee5a5a10c2ffc46e50d830e066d2..654a21015184eaf94cce53d2c27ce7cbe6e104b2 100644
--- a/omniadvisor/src/omniadvisor/interface/config_tuning.py
+++ b/omniadvisor/src/omniadvisor/interface/config_tuning.py
@@ -72,7 +72,7 @@ def _single_tuning(load: Load, retest_way: str, tuning_method: str) -> None:
     signal.signal(signal.SIGTERM, handler)
     signal.signal(signal.SIGINT, handler)
 
-    method_extend, next_config = _get_next_config(load, tuning_method)
+    next_config, method_extend = _get_next_config(load=load, tuning_method=tuning_method)
 
     if not next_config:
         raise NoOptimalConfigError(f'The recommending config of method {tuning_method} is empty,'
@@ -158,7 +158,7 @@ def _get_next_config(load: Load, tuning_method: str) -> tuple[dict, str]:
     # 调优
     next_config, method_extend = tuner.tune()
     global_logger.debug(f"The method_extend is: {method_extend}, config from tuning is: {next_config}")
-    return method_extend, next_config
+    return next_config, method_extend
 
 
 def _continuous_tuning_with_strategies(load: Load, tuning_strategies: list[tuple[str, int]]) -> None:
diff --git a/omniadvisor/src/omniadvisor/repository/model/load.py b/omniadvisor/src/omniadvisor/repository/model/load.py
index 18683a88f78bb17da9a5c405aebcccbb9a5ae142..624e479455df3151fc04254523490536befe3a57 100644
--- a/omniadvisor/src/omniadvisor/repository/model/load.py
+++ b/omniadvisor/src/omniadvisor/repository/model/load.py
@@ -45,6 +45,10 @@ class Load:
     def tuning_needed(self):
         return self._database_model.tuning_needed
 
+    @property
+    def backend_retest_forbidden(self):
+        return self._database_model.backend_retest_forbidden
+
     @property
     def database_model(self):
         return self._database_model
diff --git a/omniadvisor/src/omniadvisor/service/spark_service/spark_cmd_parser.py b/omniadvisor/src/omniadvisor/service/spark_service/spark_cmd_parser.py
index 0b69b3642a128926640c549190ce3dd99a3f710c..a344f6235160ee3ff08ea2c4ab0ea85afe3dda53 100644
--- a/omniadvisor/src/omniadvisor/service/spark_service/spark_cmd_parser.py
+++ b/omniadvisor/src/omniadvisor/service/spark_service/spark_cmd_parser.py
@@ -12,6 +12,8 @@ from omniadvisor.utils.logger import global_logger
 _CMD_PREFIX_KEY = 'omniadvisor-cmd-prefix'
 # 命令行开头的字段名称
 _CMD_UNKNOWN_KEY = 'unknown'
+# 命令行中class字段
+_CMD_CLASS_KEY = 'class'
 # 单横杠参数的字段
 _SINGLE_HORIZONTAL_BAR_KEYS = ['e', 'f', 'i']
 # 布尔类型的字段
@@ -118,7 +120,7 @@ class SparkCMDParser:
         """
         return value
 
-    @staticmethod
+    @classmethod
     def _append_double_dash_args(cls, key, value) -> List:
         """
         用于处理spark命令中以 "--" 作为前缀的参数
@@ -136,7 +138,7 @@ class SparkCMDParser:
             return [f'--{key}', cls._normalize_value(value)]
 
     @classmethod
-    def parse_cmd(cls, argv: list) -> dict:
+    def parse_cmd(cls, argv: list) -> tuple[dict, dict]:
         """
         解析提交后的命令，得到解析的参数后，以字典的形式保存
         返回一个包含所有提取出的基础参数的字典,每个键代表一个参数名,详见add_argument中的配置的参数。
@@ -194,9 +196,13 @@ class SparkCMDParser:
         # 把${SPARK_HOME}/bin/spark-class org.apache.spark.deploy.SparkSubmit通过空格拆分成含有两个元素的参数列表
         cmd_fields += exec_attr.get(_CMD_PREFIX_KEY).split(" ")
 
+        # 将命令行中的class属性提前放置，符合Spark正常执行命令
+        if _CMD_CLASS_KEY in exec_attr:
+            cmd_fields += cls._append_double_dash_args(_CMD_CLASS_KEY, exec_attr[_CMD_CLASS_KEY])
+
         # 处理执行属性
         for key, value in exec_attr.items():
-            if key == _CMD_PREFIX_KEY:
+            if key in [_CMD_PREFIX_KEY, _CMD_CLASS_KEY]:
                 continue
             # 单独处理 unknown = ['xxxxxxx.jar', 'xxxxxx', 'xxxxx'] 这部分未被解析的残余参数追加到末尾 不在此处理
             elif key == _CMD_UNKNOWN_KEY:
@@ -206,7 +212,7 @@ class SparkCMDParser:
                 cmd_fields += [f'-{key}', cls._normalize_value(value)]
             # 处理剩余 -- 作为前缀的参数
             else:
-                cmd_fields += cls._append_double_dash_args(cls, key, value)
+                cmd_fields += cls._append_double_dash_args(key, value)
 
         # 处理参数配置
         for key, value in conf_params.items():