diff --git a/course/basic/advanced_type/array.md b/course/basic/advanced_type/array.md
index 39097f94..2e804dde 100644
--- a/course/basic/advanced_type/array.md
+++ b/course/basic/advanced_type/array.md
@@ -94,4 +94,4 @@ outline: deep
 
 <<<@/code/release/array.zig#comptime_init_array
 
-在这个示例中，我们利用编译期执行的特性来初始化数组，并结合了 `blocks` 和 `break` 的用法。关于这些，我们将在[循环](/basic/process_control/loop)章节中详细讲解。
+在这个示例中，我们利用编译期执行的特性来初始化数组，并结合了 `blocks` 和 `break` 的用法。关于这些，我们将在[循环](/basic/process_control/loop)章节中详细讲解。你也可以通过 [Compiler Explorer](https://godbolt.org/z/oWdjqajPa) 在线运行该示例查看结果。
diff --git a/course/code/11/array.zig b/course/code/11/array.zig
index f48f874e..b1b33c5d 100644
--- a/course/code/11/array.zig
+++ b/course/code/11/array.zig
@@ -143,15 +143,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array
diff --git a/course/code/12/array.zig b/course/code/12/array.zig
index d0d924e8..40897344 100644
--- a/course/code/12/array.zig
+++ b/course/code/12/array.zig
@@ -99,15 +99,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array
diff --git a/course/code/14/array.zig b/course/code/14/array.zig
index 31b44246..d6a80ffd 100644
--- a/course/code/14/array.zig
+++ b/course/code/14/array.zig
@@ -121,15 +121,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array
diff --git a/course/code/15/array.zig b/course/code/15/array.zig
index 06c48ccb..227f1a60 100644
--- a/course/code/15/array.zig
+++ b/course/code/15/array.zig
@@ -121,15 +121,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array
diff --git a/course/code/16/array.zig b/course/code/16/array.zig
index 06c48ccb..227f1a60 100644
--- a/course/code/16/array.zig
+++ b/course/code/16/array.zig
@@ -121,15 +121,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array
diff --git a/course/code/release/array.zig b/course/code/release/array.zig
index 06c48ccb..227f1a60 100644
--- a/course/code/release/array.zig
+++ b/course/code/release/array.zig
@@ -121,15 +121,17 @@ const FuncInitArray = struct {
 const ComptimeInitArray = struct {
     // #region comptime_init_array
     const print = @import("std").debug.print;
+    const assert = @import("std").debug.assert;
 
     pub fn main() void {
-        const fancy_array = init: {
+        const fancy_array = comptime init: {
             var initial_value: [10]usize = undefined;
             for (&initial_value, 0..) |*pt, i| {
                 pt.* = i;
             }
             break :init initial_value;
         };
+        comptime assert(fancy_array[9] == 9);
         print("{any}\n", .{fancy_array});
     }
     // #endregion comptime_init_array