diff --git a/api/core/workflow/graph_engine/entities/graph_init_params.py b/api/core/workflow/graph_engine/entities/graph_init_params.py
index a0ecd824f4..0bb7ed8a1b 100644
--- a/api/core/workflow/graph_engine/entities/graph_init_params.py
+++ b/api/core/workflow/graph_engine/entities/graph_init_params.py
@@ -1,14 +1,25 @@
 from collections.abc import Mapping
 from typing import Any
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, PositiveInt
 
+from configs import dify_config
 from core.app.entities.app_invoke_entities import InvokeFrom
 from models.enums import UserFrom
 from models.workflow import WorkflowType
 
 
 class GraphInitParams(BaseModel):
+    """GraphInitParams encapsulates the configurations and contextual information
+    that remain constant throughout a single execution of the graph engine.
+
+    A single execution is defined as follows: as long as the execution has not reached
+    its conclusion, it is considered one execution. For instance, if a workflow is suspended
+    and later resumed, it is still regarded as a single execution, not two.
+
+    For the state diagram of workflow execution, refer to `WorkflowExecutionStatus`.
+    """
+
     # init params
     tenant_id: str = Field(..., description="tenant / workspace id")
     app_id: str = Field(..., description="app id")
@@ -19,3 +30,10 @@ class GraphInitParams(BaseModel):
     user_from: UserFrom = Field(..., description="user from, account or end-user")
     invoke_from: InvokeFrom = Field(..., description="invoke from, service-api, web-app, explore or debugger")
     call_depth: int = Field(..., description="call depth")
+
+    # max_execution_steps records the maximum steps allowed during the execution of a workflow.
+    max_execution_steps: PositiveInt = Field(
+        default=dify_config.WORKFLOW_MAX_EXECUTION_STEPS, description="max_execution_steps"
+    )
+    # max_execution_time records the max execution time for the workflow, measured in seconds
+    max_execution_time: PositiveInt = Field(default=dify_config.WORKFLOW_MAX_EXECUTION_TIME, description="")