diff --git a/packages/client/src/pages/scratchpad.vue b/packages/client/src/pages/scratchpad.vue
index a33003ded..d72c21e6f 100644
--- a/packages/client/src/pages/scratchpad.vue
+++ b/packages/client/src/pages/scratchpad.vue
@@ -59,6 +59,7 @@ async function run() {
 				os.inputText({
 					title: q,
 				}).then(({ canceled, result: a }) => {
+					if (canceled) return;
 					ok(a);
 				});
 			});
diff --git a/packages/client/src/plugin.ts b/packages/client/src/plugin.ts
index 422b6339c..0ab8648a6 100644
--- a/packages/client/src/plugin.ts
+++ b/packages/client/src/plugin.ts
@@ -18,7 +18,8 @@ export function install(plugin) {
 			return new Promise(ok => {
 				inputText({
 					title: q,
-				}).then(({ result: a }) => {
+				}).then(({ canceled, result: a }) => {
+					if (canceled) return;
 					ok(a);
 				});
 			});
diff --git a/packages/client/src/scripts/aiscript/api.ts b/packages/client/src/scripts/aiscript/api.ts
index 01b8fd05f..6407d6b0d 100644
--- a/packages/client/src/scripts/aiscript/api.ts
+++ b/packages/client/src/scripts/aiscript/api.ts
@@ -24,7 +24,11 @@ export function createAiScriptEnv(opts) {
 			return confirm.canceled ? values.FALSE : values.TRUE;
 		}),
 		'Mk:api': values.FN_NATIVE(async ([ep, param, token]) => {
-			if (token) utils.assertString(token);
+			if (token) {
+				utils.assertString(token);
+				// In case there is a bug, it could be undefined.
+				if (typeof token.value !== 'string') throw new Error('invalid token');
+			}
 			apiRequests++;
 			if (apiRequests > 16) return values.NULL;
 			const res = await os.api(ep.value, utils.valToJs(param), token ? token.value : (opts.token || null));
diff --git a/packages/client/src/widgets/aiscript.vue b/packages/client/src/widgets/aiscript.vue
index 30b16cac2..15357069e 100644
--- a/packages/client/src/widgets/aiscript.vue
+++ b/packages/client/src/widgets/aiscript.vue
@@ -72,7 +72,8 @@ const run = async (): Promise<void> => {
 			return new Promise(ok => {
 				os.inputText({
 					title: q,
-				}).then(({ result: a }) => {
+				}).then(({ canceled, result: a }) => {
+					if (canceled) return;
 					ok(a);
 				});
 			});
diff --git a/packages/client/src/widgets/button.vue b/packages/client/src/widgets/button.vue
index 9e4b84899..5a385380a 100644
--- a/packages/client/src/widgets/button.vue
+++ b/packages/client/src/widgets/button.vue
@@ -60,7 +60,8 @@ const run = async (): Promise<void> => {
 			return new Promise(ok => {
 				os.inputText({
 					title: q,
-				}).then(({ result: a }) => {
+				}).then(({ canceled, result: a }) => {
+					if (canceled) return;
 					ok(a);
 				});
 			});