Feat: Bind data to the agent module of the home page #3221 (#7385)

### What problem does this PR solve?

Feat: Bind data to the agent module of the home page #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/interfaces/database/flow.ts

@@ -26,7 +26,7 @@ export interface IOperatorNode {
 }
 
 export declare interface IFlow {
-  avatar?: null | string;
+  avatar?: string;
   canvas_type: null;
   create_date: string;
   create_time: number;