diff --git a/tests/python_client/base/client_base.py b/tests/python_client/base/client_base.py
index c6d57b7b8a..21d151666a 100644
--- a/tests/python_client/base/client_base.py
+++ b/tests/python_client/base/client_base.py
@@ -346,7 +346,7 @@ class TestcaseBase(Base):
         :type privilege_object: str
         :param object_name: privilege object name
         :type object_name: str
-        :param privilege: pivilege
+        :param privilege: privilege
         :type privilege: str
         :param db_name: database name
         :type db_name: str
diff --git a/tests/python_client/common/common_func.py b/tests/python_client/common/common_func.py
index 70ad6f7ca0..719e5322c0 100644
--- a/tests/python_client/common/common_func.py
+++ b/tests/python_client/common/common_func.py
@@ -1001,6 +1001,18 @@ def gen_invalid_string_expressions():
     return expressions
 
 
+def gen_invalid_bool_expressions():
+    expressions = [
+        "bool",
+        "!bool",
+        "true",
+        "false",
+        "int64 > 0 and bool",
+        "int64 > 0 or false"
+    ]
+    return expressions
+
+
 def gen_normal_expressions_field(field):
     expressions = [
         "",
diff --git a/tests/python_client/testcases/test_search.py b/tests/python_client/testcases/test_search.py
index 5633d270d6..1f7e37c204 100644
--- a/tests/python_client/testcases/test_search.py
+++ b/tests/python_client/testcases/test_search.py
@@ -505,6 +505,23 @@ class TestCollectionSearchInvalid(TestcaseBase):
                             check_items={"err_code": 1,
                                          "err_msg": "failed to create query plan"})
 
+    @pytest.mark.tags(CaseLabel.L2)
+    @pytest.mark.parametrize("expression", cf.gen_invalid_bool_expressions())
+    def test_search_with_expression_invalid_bool(self, expression):
+        """
+        target: test search invalid bool
+        method: test search invalid bool
+        expected: searched failed
+        """
+        collection_w = self.init_collection_general(prefix, True, is_all_data_type=True)[0]
+        log.info("test_search_with_expression: searching with expression: %s" % expression)
+        collection_w.search(vectors[:default_nq], default_search_field,
+                            default_search_params, default_limit, expression,
+                            check_task=CheckTasks.err_res,
+                            check_items={"err_code": 1,
+                                         "err_msg": "failed to create query plan: cannot parse "
+                                                    "expression: %s" % expression})
+
     @pytest.mark.tags(CaseLabel.L1)
     @pytest.mark.parametrize("expression", ["int64 like 33", "float LIKE 33"])
     def test_search_with_expression_invalid_like(self, expression):