diff --git a/app/src/main/assets/sample/计时器/基本读写.js b/app/src/main/assets/sample/计时器/基本读写.js
new file mode 100644
index 00000000..7a777626
--- /dev/null
+++ b/app/src/main/assets/sample/计时器/基本读写.js
@@ -0,0 +1,7 @@
+const KEY = "key_test";
+
+recorder.save(KEY);
+
+sleep(1e3, '±700');
+
+toastLog(`Slept for ${recorder.load(KEY)} ms`, 'l');
\ No newline at end of file
diff --git a/app/src/main/assets/sample/计时器/循环监测.js b/app/src/main/assets/sample/计时器/循环监测.js
new file mode 100644
index 00000000..53212d34
--- /dev/null
+++ b/app/src/main/assets/sample/计时器/循环监测.js
@@ -0,0 +1,10 @@
+const KEY = "wait_for_test";
+const timeout = 3; // seconds
+
+toast(`${timeout} seconds counting down...`, 'l');
+
+recorder.save(KEY);
+
+while (recorder.isLessThan(KEY, timeout * 1e3)) ; // @EmptyLoopBody
+
+toast(`Finished.\nSpent ${recorder.load(KEY) / 1e3} s.`, 'l', 'f');
\ No newline at end of file
diff --git a/app/src/main/assets/sample/计时器/条件检测.js b/app/src/main/assets/sample/计时器/条件检测.js
new file mode 100644
index 00000000..3d62592d
--- /dev/null
+++ b/app/src/main/assets/sample/计时器/条件检测.js
@@ -0,0 +1,15 @@
+const KEY = "key_test";
+
+recorder.save(KEY);
+
+!function action() {
+    sleep(1e3, '±700');
+}();
+
+let et = recorder.load(KEY);
+
+if (et < 1e3) {
+    toastLog('Abnormal elapsed time');
+} else {
+    toastLog('Normal elapsed time');
+}
\ No newline at end of file
diff --git a/app/src/main/assets/sample/计时器/计算函数运行时间.js b/app/src/main/assets/sample/计时器/计算函数运行时间.js
new file mode 100644
index 00000000..1d388142
--- /dev/null
+++ b/app/src/main/assets/sample/计时器/计算函数运行时间.js
@@ -0,0 +1,27 @@
+// Sample A - Simple time-consumed function
+
+const f = function test() {
+    sleep(500, '±200');
+};
+
+console.log(`Function "${f.name}" spent ${recorder(f)} ms`);
+
+// Sample B - Fibonacci without memoization
+
+const fibonacci = (x) => x <= 2 ? 1 : fibonacci(x - 2) + fibonacci(x - 1);
+
+recorder.save('fibonacci');
+
+let num = 1;
+let limit = 3e3; // 3 seconds
+
+while (1) {
+    let et = recorder(fibonacci.bind(null, num));
+    toastLog(`Fibonacci ${num} spent ${et} ms`, false, 'f');
+    if (et > limit) {
+        break;
+    }
+    num += 1;
+}
+
+toastLog('Finished');
\ No newline at end of file
diff --git a/autojs/src/main/assets/modules/__images__.js b/autojs/src/main/assets/modules/__images__.js
index 50ebeb6a..673ffc5c 100644
--- a/autojs/src/main/assets/modules/__images__.js
+++ b/autojs/src/main/assets/modules/__images__.js
@@ -235,7 +235,7 @@ module.exports = function (runtime, scope) {
             return opt.weakThreshold || def;
         },
         resize(img, mat, size, fx, fy, interpolation) {
-            Imgproc.resize(img.mat, mat, this.parseSize(0), fx, fy, Imgproc['INTER_' + (interpolation || 'LINEAR')]);
+            Imgproc.resize(img.mat, mat, this.parseSize(size), fx, fy, Imgproc['INTER_' + (interpolation || 'LINEAR')]);
         },
         /**
          * @param {com.stardust.autojs.core.image.ImageWrapper} img