diff --git a/uni_modules/uts-tests/utssdk/TDataView.uts b/uni_modules/uts-tests/utssdk/TDataView.uts
index 25cbcdd64ac3edec6accc01a559b7da1ae9da9bf..b493b3c21da8ea989dde770433abc77908048123 100644
--- a/uni_modules/uts-tests/utssdk/TDataView.uts
+++ b/uni_modules/uts-tests/utssdk/TDataView.uts
@@ -45,7 +45,7 @@ export class TDataView {
     // Create an ArrayBuffer with a size in bytes
     let buffer = new ArrayBuffer(16);
     let view = new DataView(buffer);
-    view.setFloat32(1, Math.PI.toFloat());
+    view.setFloat32(1,3.1415927);
     expect(this.numberEquals(3.1415927, view.getFloat32(1).toFloat())).toEqual(true);
   }
 
@@ -97,7 +97,7 @@ export class TDataView {
     expect(this.numberEquals(255, view.getUint8(1))).toEqual(true);
   }
 
-  numberEquals(a: Number, b: Number): Boolean {
+  numberEquals(a: number, b: number): Boolean {
     return a == b
   }
 
@@ -138,10 +138,10 @@ export class TDataView {
     }
   }
 
-  makeBuffer(size: Int, littleEndian: boolean): ArrayBuffer {
-    var buffer = new ArrayBuffer(size * 14);
+  makeBuffer(size: number, littleEndian: boolean): ArrayBuffer {
+    var buffer = new ArrayBuffer(1000 * 14);
     var view = new DataView(buffer);
-    for (var i = 0; i < size; ++i) {
+    for (var i = 0; i < 1000; ++i) {
       view.setInt8(i * 14, i);
       view.setUint8(i * 14 + 1, i);
       view.setInt16(i * 14 + 2, i * i, littleEndian);
@@ -180,21 +180,21 @@ export class TDataView {
       }
       expect(xor).toEqual(0);
     } else {
-      var reader = new BigEndian(buffer);
+      var reader1 = new BigEndian(buffer);
       for (var i = 0; i < buffer.byteLength; i += 14) {
-        xor ^= reader.getInt8(i);
-        xor ^= reader.getUint8(i + 1);
-        xor ^= reader.getInt16(i + 2);
-        xor ^= reader.getUint16(i + 4);
-        xor ^= reader.getInt32(i + 6);
-        xor ^= reader.getUint32(i + 10);
+        xor ^= reader1.getInt8(i);
+        xor ^= reader1.getUint8(i + 1);
+        xor ^= reader1.getInt16(i + 2);
+        xor ^= reader1.getUint16(i + 4);
+        xor ^= reader1.getInt32(i + 6);
+        xor ^= reader1.getUint32(i + 10);
       }
     }
 
   }
 
   doFloatIterations(dataView: boolean) {
-    var buffer = makeFloatBuffer(1000);
+    var buffer = this.makeFloatBuffer();
     var iterations = 10;
     if (dataView) {
       for (var i = 0; i < iterations; i++)
@@ -205,10 +205,10 @@ export class TDataView {
     }
   }
 
-  makeFloatBuffer(size: Int): ArrayBuffer {
-    var buffer = new ArrayBuffer(size * 16);
+  makeFloatBuffer(): ArrayBuffer {
+    var buffer = new ArrayBuffer(1000 * 16);
     var view = new DataView(buffer);
-    for (var i = 0; i < size; i++) {
+    for (var i = 0; i < 1000; i++) {
       view.setFloat64(i * 16, Math.log10(i + 1));
       view.setFloat32(i * 16 + 8, Math.sqrt(i));
       view.setFloat32(i * 16 + 12, Math.cos(i));
diff --git a/uni_modules/uts-tests/utssdk/TFloat32Array.uts b/uni_modules/uts-tests/utssdk/TFloat32Array.uts
index 0cc5b4c08cb2c196aaae2c9dd3f8095b5955cabc..f81bb363c5b729d2ae2100f8c2b5538236167790 100644
--- a/uni_modules/uts-tests/utssdk/TFloat32Array.uts
+++ b/uni_modules/uts-tests/utssdk/TFloat32Array.uts
@@ -253,7 +253,7 @@ export class TFloat32Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TFloat64Array.uts b/uni_modules/uts-tests/utssdk/TFloat64Array.uts
index d33b3bbd6b0c640ece611c8c5733a8202250046c..0728e9aecc151527621b5271c75685a4f0070ac4 100644
--- a/uni_modules/uts-tests/utssdk/TFloat64Array.uts
+++ b/uni_modules/uts-tests/utssdk/TFloat64Array.uts
@@ -244,7 +244,7 @@ export class TFloat64Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TInt16Array.uts b/uni_modules/uts-tests/utssdk/TInt16Array.uts
index 533f01749163c691910a02e9983fa534e409754d..a21b35c5aefb99a807fe3de2931371b16a9a66ca 100644
--- a/uni_modules/uts-tests/utssdk/TInt16Array.uts
+++ b/uni_modules/uts-tests/utssdk/TInt16Array.uts
@@ -220,7 +220,7 @@ export class TInt16Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b):Number => a - b);
+    numbers.sort((a, b):number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TInt32Array.uts b/uni_modules/uts-tests/utssdk/TInt32Array.uts
index beef28c34480e0e53cbf3cf0f23c3817d9c08b81..9548d4016602674577cc884d200c90d28f028ab8 100644
--- a/uni_modules/uts-tests/utssdk/TInt32Array.uts
+++ b/uni_modules/uts-tests/utssdk/TInt32Array.uts
@@ -236,7 +236,7 @@ export class TInt32Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b):Number => a - b);
+    numbers.sort((a, b):number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TInt8Array.uts b/uni_modules/uts-tests/utssdk/TInt8Array.uts
index 093378bfccc82bc99cb795bbf4752dd849763d5d..a06b40df4d72b611e27f16254df1bc4df0d73104 100644
--- a/uni_modules/uts-tests/utssdk/TInt8Array.uts
+++ b/uni_modules/uts-tests/utssdk/TInt8Array.uts
@@ -229,7 +229,7 @@ export class TInt8Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TUInt8Array.uts b/uni_modules/uts-tests/utssdk/TUInt8Array.uts
index e66e827105c82197112fd0f553fc4d49aa3974ec..cdf3fdd750c6150132502341432d83b7692e0b18 100644
--- a/uni_modules/uts-tests/utssdk/TUInt8Array.uts
+++ b/uni_modules/uts-tests/utssdk/TUInt8Array.uts
@@ -233,7 +233,7 @@ export class TUint8Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TUInt8ClampedArray.uts b/uni_modules/uts-tests/utssdk/TUInt8ClampedArray.uts
index 5053b8679b323ed9b86abe02b94d3678c1ae200a..c3f1789c7d755986c68032680046b94031692a89 100644
--- a/uni_modules/uts-tests/utssdk/TUInt8ClampedArray.uts
+++ b/uni_modules/uts-tests/utssdk/TUInt8ClampedArray.uts
@@ -228,7 +228,7 @@ export class TUint8ClampedArray {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TUint16Array.uts b/uni_modules/uts-tests/utssdk/TUint16Array.uts
index 56942d87b11a57e6ff9f7f6aec7c03e6a90fc457..33339fa576657fc4db807a69f8aea54e560998d2 100644
--- a/uni_modules/uts-tests/utssdk/TUint16Array.uts
+++ b/uni_modules/uts-tests/utssdk/TUint16Array.uts
@@ -242,7 +242,7 @@ export class TUint16Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }
 
diff --git a/uni_modules/uts-tests/utssdk/TUint32Array.uts b/uni_modules/uts-tests/utssdk/TUint32Array.uts
index 265765f398d82510427b9ca72af1ee9c0e963f19..94de432e276557286c6518f8b3007c9a584eda75 100644
--- a/uni_modules/uts-tests/utssdk/TUint32Array.uts
+++ b/uni_modules/uts-tests/utssdk/TUint32Array.uts
@@ -242,7 +242,7 @@ export class TUint32Array {
     numbers.sort();
     expect(numbers.toString()).toEqual("1,5,40");
 
-    numbers.sort((a, b): Number => a - b);
+    numbers.sort((a, b): number => a - b);
     expect(numbers.toString()).toEqual("1,5,40");
   }