fix default value for multiple tool selector

web/app/components/header/account-setting/model-provider-page/model-modal/Form.tsx

@@ -355,7 +355,7 @@ function Form<
             label={label[language] || label.en_US}
             required={required}
             tooltip={tooltip?.[language] || tooltip?.en_US}
-            value={value[variable]}
+            value={value[variable] || []}
             onChange={item => handleFormChange(variable, item as any)}
           />
           {fieldMoreInfo?.(formSchema)}

web/app/components/workflow/nodes/_base/components/agent-strategy.tsx

@@ -179,7 +179,7 @@ export const AgentStrategy = (props: AgentStrategyProps) => {
         return (
           <MultipleToolSelector
             scope={schema.scope}
-            value={value}
+            value={value || []}
             label={schema.label[language]}
             tooltip={schema.tooltip?.[language]}
             onChange={onChange}