diff --git a/api/core/model_runtime/model_providers/bedrock/bedrock.yaml b/api/core/model_runtime/model_providers/bedrock/bedrock.yaml
index 88ec712bdf..aa364fb63f 100644
--- a/api/core/model_runtime/model_providers/bedrock/bedrock.yaml
+++ b/api/core/model_runtime/model_providers/bedrock/bedrock.yaml
@@ -23,7 +23,7 @@ provider_credential_schema:
     - variable: aws_access_key_id
       required: false
       label:
-        en_US: Access Key (If not provided, credentials are obtained from your running environment. e.g. IAM role)
+        en_US: Access Key (If not provided, credentials are obtained from the running environment.)
         zh_Hans: Access Key
       type: secret-input
       placeholder:
diff --git a/api/core/model_runtime/model_providers/bedrock/text_embedding/text_embedding.py b/api/core/model_runtime/model_providers/bedrock/text_embedding/text_embedding.py
index 84b23d4a27..35b1a8f389 100644
--- a/api/core/model_runtime/model_providers/bedrock/text_embedding/text_embedding.py
+++ b/api/core/model_runtime/model_providers/bedrock/text_embedding/text_embedding.py
@@ -49,8 +49,8 @@ class BedrockTextEmbeddingModel(TextEmbeddingModel):
         bedrock_runtime = boto3.client(
             service_name='bedrock-runtime',
             config=client_config,
-            aws_access_key_id=credentials["aws_access_key_id"],
-            aws_secret_access_key=credentials["aws_secret_access_key"]
+            aws_access_key_id=credentials.get("aws_access_key_id", None),
+            aws_secret_access_key=credentials.get("aws_secret_access_key", None)
         )
 
         embeddings = []