diff --git a/tests/python_client/chaos/checker.py b/tests/python_client/chaos/checker.py
index ab1c90bc46..8ee4699d02 100644
--- a/tests/python_client/chaos/checker.py
+++ b/tests/python_client/chaos/checker.py
@@ -357,8 +357,13 @@ class Checker:
         self.scalar_field_names = cf.get_scalar_field_name_list(schema=schema)
         self.float_vector_field_names = cf.get_float_vec_field_name_list(schema=schema)
         self.binary_vector_field_names = cf.get_binary_vec_field_name_list(schema=schema)
+        # get index of collection
+        indexes = [index.to_dict() for index in self.c_wrap.indexes]
+        indexed_fields = [index['field'] for index in indexes]
         # create index for scalar fields
         for f in self.scalar_field_names:
+            if f in indexed_fields:
+                continue
             self.c_wrap.create_index(f,
                                      {"index_type": "INVERTED"},
                                      timeout=timeout,
@@ -366,6 +371,8 @@ class Checker:
                                      check_task=CheckTasks.check_nothing)
         # create index for float vector fields
         for f in self.float_vector_field_names:
+            if f in indexed_fields:
+                continue
             self.c_wrap.create_index(f,
                                      constants.DEFAULT_INDEX_PARAM,
                                      timeout=timeout,
@@ -373,6 +380,8 @@ class Checker:
                                      check_task=CheckTasks.check_nothing)
         # create index for binary vector fields
         for f in self.binary_vector_field_names:
+            if f in indexed_fields:
+                continue
             self.c_wrap.create_index(f,
                                      constants.DEFAULT_BINARY_INDEX_PARAM,
                                      timeout=timeout,