diff --git a/incremental/compat/src/arkts/observable.ts b/incremental/compat/src/arkts/observable.ts
index 979520896cc267a005dae775380026c4b7469401..25229a34f530689d7981d19bcf6a9803aecbde71 100644
--- a/incremental/compat/src/arkts/observable.ts
+++ b/incremental/compat/src/arkts/observable.ts
@@ -866,7 +866,7 @@ class ObservableDate extends Date {
         return super.toUTCString()
     }
 
-    override getDate(): number {
+    override getDate(): int {
         this.handler?.onAccess()
         return super.getDate()
     }
@@ -876,12 +876,12 @@ class ObservableDate extends Date {
         super.setDate(value)
     }
 
-    override setDate(value: number): number {
+    override setDate(value: int): long {
         this.handler?.onModify()
         return super.setDate(value)
     }
 
-    override getUTCDate(): number {
+    override getUTCDate(): int {
         this.handler?.onAccess()
         return super.getUTCDate()
     }
@@ -891,12 +891,12 @@ class ObservableDate extends Date {
         super.setUTCDate(value)
     }
 
-    override setUTCDate(value: number): number {
+    override setUTCDate(value: int): long {
         this.handler?.onModify()
         return super.setUTCDate(value)
     }
 
-    override getDay(): number {
+    override getDay(): int {
         this.handler?.onAccess()
         return super.getDay()
     }
@@ -906,7 +906,7 @@ class ObservableDate extends Date {
         super.setDay(value)
     }
 
-    override getUTCDay(): number {
+    override getUTCDay(): int {
         this.handler?.onAccess()
         return super.getUTCDay()
     }
@@ -916,12 +916,12 @@ class ObservableDate extends Date {
         super.setUTCDay(value)
     }
 
-    override setUTCDay(value: number): number {
+    override setUTCDay(value: int): long {
         this.handler?.onModify()
         return super.setUTCDay(value)
     }
 
-    override getMonth(): number {
+    override getMonth(): int {
         this.handler?.onAccess()
         return super.getMonth()
     }
@@ -931,12 +931,12 @@ class ObservableDate extends Date {
         super.setMonth(value)
     }
 
-    override setMonth(value: number, date?: number): number {
+    override setMonth(value: int, date?: int): long {
         this.handler?.onModify()
         return super.setMonth(value, date)
     }
 
-    override getUTCMonth(): number {
+    override getUTCMonth(): int {
         this.handler?.onAccess()
         return super.getUTCMonth()
     }
@@ -946,7 +946,7 @@ class ObservableDate extends Date {
         super.setUTCMonth(value)
     }
 
-    override setUTCMonth(value: number, date?: number): number {
+    override setUTCMonth(value: int, date?: int): long {
         this.handler?.onModify()
         return super.setUTCMonth(value, date)
     }
@@ -961,17 +961,12 @@ class ObservableDate extends Date {
         super.setYear(value)
     }
 
-    override setYear(value: number) {
-        this.handler?.onModify()
-        super.setYear(value)
-    }
-
-    override getFullYear(): number {
+    override getFullYear(): int {
         this.handler?.onAccess()
         return super.getFullYear()
     }
 
-    override setFullYear(value: number, month?: number, date?: number): number {
+    override setFullYear(value: int, month?: int, date?: int): long {
         this.handler?.onModify()
         return super.setFullYear(value, month, date)
     }
@@ -981,12 +976,12 @@ class ObservableDate extends Date {
         super.setFullYear(value)
     }
 
-    override getUTCFullYear(): number {
+    override getUTCFullYear(): int {
         this.handler?.onAccess()
         return super.getUTCFullYear()
     }
 
-    override setUTCFullYear(value: number, month?: number, date?: number): number {
+    override setUTCFullYear(value: int, month?: int, date?: int): long {
         this.handler?.onModify()
         return super.setUTCFullYear(value, month, date)
     }
@@ -996,27 +991,22 @@ class ObservableDate extends Date {
         super.setUTCFullYear(value)
     }
 
-    override getTime(): number {
+    override getTime(): long {
         this.handler?.onAccess()
         return super.getTime()
     }
 
-    override setTime(value: long) {
-        this.handler?.onModify()
-        super.setTime(value)
-    }
-
-    override setTime(value: number): number {
+    override setTime(value: long): long {
         this.handler?.onModify()
         return super.setTime(value)
     }
 
-    override getHours(): number {
+    override getHours(): int {
         this.handler?.onAccess()
         return super.getHours()
     }
 
-    override setHours(value: number, min?: number, sec?: number, ms?: number): number {
+    override setHours(value: int, min?: int, sec?: int, ms?: int): long {
         this.handler?.onModify()
         return super.setHours(value, min, sec, ms)
     }
@@ -1026,12 +1016,12 @@ class ObservableDate extends Date {
         super.setHours(value)
     }
 
-    override getUTCHours(): number {
+    override getUTCHours(): int {
         this.handler?.onAccess()
         return super.getUTCHours()
     }
 
-    override setUTCHours(value: number, min?: number, sec?: number, ms?: number): number {
+    override setUTCHours(value: int, min?: int, sec?: int, ms?: int): long {
         this.handler?.onModify()
         return super.setUTCHours(value, min, sec, ms)
     }
@@ -1041,7 +1031,7 @@ class ObservableDate extends Date {
         super.setUTCHours(value)
     }
 
-    override getMilliseconds(): number {
+    override getMilliseconds(): long {
         this.handler?.onAccess()
         return super.getMilliseconds()
     }
@@ -1051,12 +1041,12 @@ class ObservableDate extends Date {
         super.setMilliseconds(value)
     }
 
-    override setMilliseconds(value: number): number {
+    override setMilliseconds(value: int): long {
         this.handler?.onModify()
         return super.setMilliseconds(value)
     }
 
-    override getUTCMilliseconds(): number {
+    override getUTCMilliseconds(): int {
         this.handler?.onAccess()
         return super.getUTCMilliseconds()
     }
@@ -1066,12 +1056,12 @@ class ObservableDate extends Date {
         super.setUTCMilliseconds(value)
     }
 
-    override setUTCMilliseconds(value: number): number {
+    override setUTCMilliseconds(value: int): long {
         this.handler?.onModify()
         return super.setUTCMilliseconds(value)
     }
 
-    override getSeconds(): number {
+    override getSeconds(): int {
         this.handler?.onAccess()
         return super.getSeconds()
     }
@@ -1081,12 +1071,12 @@ class ObservableDate extends Date {
         super.setSeconds(value)
     }
 
-    override setSeconds(value: number, ms?: number): number {
+    override setSeconds(value: int, ms?: int): long {
         this.handler?.onModify()
         return super.setSeconds(value, ms)
     }
 
-    override getUTCSeconds(): number {
+    override getUTCSeconds(): int {
         this.handler?.onAccess()
         return super.getUTCSeconds()
     }
@@ -1096,12 +1086,12 @@ class ObservableDate extends Date {
         super.setUTCSeconds(value)
     }
 
-    override setUTCSeconds(value: number, ms?: number): number {
+    override setUTCSeconds(value: int, ms?: int): long {
         this.handler?.onModify()
         return super.setUTCSeconds(value, ms)
     }
 
-    override getMinutes(): number {
+    override getMinutes(): int {
         this.handler?.onAccess()
         return super.getMinutes()
     }
@@ -1111,12 +1101,12 @@ class ObservableDate extends Date {
         super.setMinutes(value)
     }
 
-    override setMinutes(value: number, sec?: Number, ms?: number): number {
+    override setMinutes(value: int, sec?: int, ms?: int): long {
         this.handler?.onModify()
         return super.setMinutes(value, sec, ms)
     }
 
-    override getUTCMinutes(): number {
+    override getUTCMinutes(): int {
         this.handler?.onAccess()
         return super.getUTCMinutes()
     }
@@ -1126,7 +1116,7 @@ class ObservableDate extends Date {
         super.setUTCMinutes(value)
     }
 
-    override setUTCMinutes(value: number, sec?: Number, ms?: number): number {
+    override setUTCMinutes(value: int, sec?: int, ms?: int): long {
         this.handler?.onModify()
         return super.setUTCMinutes(value, sec, ms)
     }