diff --git a/api/core/app/apps/common/workflow_response_converter.py b/api/core/app/apps/common/workflow_response_converter.py
index eebaaaff80..672c4211ac 100644
--- a/api/core/app/apps/common/workflow_response_converter.py
+++ b/api/core/app/apps/common/workflow_response_converter.py
@@ -1,3 +1,4 @@
+import logging
 import time
 from collections.abc import Mapping, Sequence
 from dataclasses import dataclass
@@ -54,6 +55,7 @@ from models import Account, EndUser
 from services.variable_truncator import BaseTruncator, DummyVariableTruncator, VariableTruncator
 
 NodeExecutionId = NewType("NodeExecutionId", str)
+logger = logging.getLogger(__name__)
 
 
 @dataclass(slots=True)
@@ -288,21 +290,25 @@ class WorkflowResponseConverter:
             ),
         )
 
-        if event.node_type == NodeType.TOOL:
-            response.data.extras["icon"] = ToolManager.get_tool_icon(
-                tenant_id=self._application_generate_entity.app_config.tenant_id,
-                provider_type=ToolProviderType(event.provider_type),
-                provider_id=event.provider_id,
-            )
-        elif event.node_type == NodeType.DATASOURCE:
-            manager = PluginDatasourceManager()
-            provider_entity = manager.fetch_datasource_provider(
-                self._application_generate_entity.app_config.tenant_id,
-                event.provider_id,
-            )
-            response.data.extras["icon"] = provider_entity.declaration.identity.generate_datasource_icon_url(
-                self._application_generate_entity.app_config.tenant_id
-            )
+        try:
+            if event.node_type == NodeType.TOOL:
+                response.data.extras["icon"] = ToolManager.get_tool_icon(
+                    tenant_id=self._application_generate_entity.app_config.tenant_id,
+                    provider_type=ToolProviderType(event.provider_type),
+                    provider_id=event.provider_id,
+                )
+            elif event.node_type == NodeType.DATASOURCE:
+                manager = PluginDatasourceManager()
+                provider_entity = manager.fetch_datasource_provider(
+                    self._application_generate_entity.app_config.tenant_id,
+                    event.provider_id,
+                )
+                response.data.extras["icon"] = provider_entity.declaration.identity.generate_datasource_icon_url(
+                    self._application_generate_entity.app_config.tenant_id
+                )
+        except Exception:
+            # metadata fetch may fail, for example, the plugin daemon is down or plugin is uninstalled.
+            logger.warning("failed to fetch icon for %s", event.provider_id)
 
         return response