diff --git a/packages/runtime/src/components/chakra-ui/Button.tsx b/packages/runtime/src/components/chakra-ui/Button.tsx
index 864e9c45..61d294e1 100644
--- a/packages/runtime/src/components/chakra-ui/Button.tsx
+++ b/packages/runtime/src/components/chakra-ui/Button.tsx
@@ -11,7 +11,14 @@ const Button: ComponentImplementation<{
   colorScheme?: Static<typeof ColorSchemePropertySchema>;
   isLoading?: Static<typeof IsLoadingPropertySchema>;
   onClick?: () => void;
-}> = ({ text, mergeState, subscribeMethods, onClick, ...rest }) => {
+}> = ({
+  text,
+  mergeState,
+  subscribeMethods,
+  onClick,
+  colorScheme,
+  isLoading,
+}) => {
   const raw = useExpression(text.raw);
   useEffect(() => {
     mergeState({ value: raw });
@@ -28,7 +35,7 @@ const Button: ComponentImplementation<{
 
   return (
     <ChakraProvider>
-      <BaseButton {...rest} ref={ref} onClick={onClick}>
+      <BaseButton {...{ colorScheme, isLoading }} ref={ref} onClick={onClick}>
         <Text value={{ ...text, raw }} />
       </BaseButton>
     </ChakraProvider>
diff --git a/packages/runtime/src/store.ts b/packages/runtime/src/store.ts
index 7ad214fe..be8bd431 100644
--- a/packages/runtime/src/store.ts
+++ b/packages/runtime/src/store.ts
@@ -7,9 +7,41 @@ export const useStore = create<Record<string, any>>(() => ({}));
 
 export const setStore = useStore.setState;
 
+export function parseExpression(raw: string): {
+  dynamic: boolean;
+  expression: string;
+} {
+  if (!raw) {
+    return {
+      dynamic: false,
+      expression: raw,
+    };
+  }
+  const matchArr = raw.match(/{{(.+)}}/);
+  if (!matchArr) {
+    return {
+      dynamic: false,
+      expression: raw,
+    };
+  }
+  return {
+    dynamic: true,
+    expression: matchArr[1],
+  };
+}
+
 // TODO: use web worker
-export function evalInContext(expression: string, ctx: Record<string, any>) {
+export function evalInContext(raw: string, ctx: Record<string, any>) {
   try {
+    const { dynamic, expression } = parseExpression(raw);
+    if (!dynamic) {
+      try {
+        // covert primitive types
+        return eval(expression);
+      } catch (error) {
+        return expression;
+      }
+    }
     Object.keys(ctx).forEach((key) => {
       // @ts-ignore
       self[key] = ctx[key];
@@ -26,40 +58,16 @@ export function evalInContext(expression: string, ctx: Record<string, any>) {
   }
 }
 export function useExpression(raw: string) {
-  const { dynamic, expression } = useMemo(() => {
-    if (!raw) {
-      return {
-        dynamic: false,
-        expression: raw,
-      };
-    }
-    const matchArr = raw.match(/{{(.+)}}/);
-    if (!matchArr) {
-      return {
-        dynamic: false,
-        expression: raw,
-      };
-    }
-    return {
-      dynamic: true,
-      expression: matchArr[1],
-    };
-  }, [raw]);
-
   const [state, setState] = useState<any>(
-    evalInContext(expression, useStore.getState())
+    evalInContext(raw, useStore.getState())
   );
 
-  if (!dynamic) {
-    return state;
-  }
-
   useStore.subscribe(
     (value) => {
       setState(value);
     },
     (state) => {
-      return evalInContext(expression, state);
+      return evalInContext(raw, state);
     }
   );