diff --git a/packages/amis-core/src/utils/labelToString.ts b/packages/amis-core/src/utils/labelToString.ts
index 95acb60ba..e0af3d2e4 100644
--- a/packages/amis-core/src/utils/labelToString.ts
+++ b/packages/amis-core/src/utils/labelToString.ts
@@ -6,6 +6,8 @@ export function labelToString(label: any): string {
     return label;
   } else if (type === 'number') {
     return `${label}`;
+  } else if (label === 'boolean') {
+    return String(label);
   }
 
   if (isPlainObject(label)) {
diff --git a/packages/amis-editor-core/src/component/base/SchemaForm.tsx b/packages/amis-editor-core/src/component/base/SchemaForm.tsx
index 856e659b7..e64fb8195 100644
--- a/packages/amis-editor-core/src/component/base/SchemaForm.tsx
+++ b/packages/amis-editor-core/src/component/base/SchemaForm.tsx
@@ -101,8 +101,6 @@ export function SchemaFrom({
     return schema;
   }, [body, controls, submitOnChange]);
 
-  const [init, setInit] = React.useState(true);
-
   const themeConfig = React.useMemo(() => getThemeConfig(), []);
   const submitSubscribers = React.useRef<Array<Function>>([]);
   const subscribeSubmit = React.useCallback(
@@ -149,8 +147,7 @@ export function SchemaFrom({
         newValue = pipeOut ? await pipeOut(newValue, value) : newValue;
         const diffValue = diff(value, newValue);
         // 没有变化时不触发onChange
-        if (!diffValue || init) {
-          setInit(false);
+        if (!diffValue) {
           return;
         }
         onChange(newValue, diffValue, (schema, value, id, diff) => {
diff --git a/packages/amis/src/renderers/Form/Select.tsx b/packages/amis/src/renderers/Form/Select.tsx
index 55162f03b..b1f249221 100644
--- a/packages/amis/src/renderers/Form/Select.tsx
+++ b/packages/amis/src/renderers/Form/Select.tsx
@@ -229,7 +229,7 @@ export default class SelectControl extends React.Component<SelectProps, any> {
   }
 
   focus() {
-    this.input && this.input?.focus();
+    this.input && this.input?.focus?.();
   }
 
   getValue(