fix: unnecessary space

en/src/basic-types/char-bool-unit.md

@@ -2,7 +2,7 @@
 
 ### Char
 1. 🌟
-```rust, editable
+```rust,editable
 
 // Make it work
 use std::mem::size_of_val;
@@ -18,7 +18,7 @@ fn main() {
 ```
 
 2. 🌟
-```rust, editable
+```rust,editable
 
 // Make it work
 fn main() {
@@ -33,7 +33,7 @@ fn print_char(c : char) {
 
 ### Bool
 3. 🌟
-```rust, editable
+```rust,editable
 
 // Make println! work
 fn main() {
@@ -47,7 +47,7 @@ fn main() {
 ```
 
 4. 🌟
-```rust, editable
+```rust,editable
 
 // Make it work
 fn main() {

en/src/generics-traits/traits.md

@@ -335,7 +335,7 @@ The `impl Trait` syntax works for straightforward cases but is actually syntax s
 When working with generics, the type parameters often must use traits as bounds to stipulate what functionality a type implements. 
 
 7. 🌟🌟
-```rust, editable
+```rust,editable
 fn main() {
     assert_eq!(sum(1, 2), 3);
 }

en/src/ownership/ownership.md

@@ -62,7 +62,7 @@ fn print_str(s: String)  {
 ```
 
 5. 🌟🌟 
-```rust, editable
+```rust,editable
 // Don't use clone ,use copy instead
 fn main() {
     let x = (1, 2, (), "hello".to_string());

zh-CN/src/basic-types/char-bool-unit.md

@@ -2,7 +2,7 @@
 
 ### 字符
 1. 🌟
-```rust, editable
+```rust,editable
 //  修改2处 `assert_eq!` 让代码工作
 
 use std::mem::size_of_val;
@@ -18,7 +18,7 @@ fn main() {
 ```
 
 2. 🌟
-```rust, editable
+```rust,editable
 //  修改一行让代码正常打印
 fn main() {
     let c1 = "中";
@@ -32,7 +32,7 @@ fn print_char(c : char) {
 
 ### 布尔
 3. 🌟
-```rust, editable
+```rust,editable
 
 // 使成功打印
 fn main() {
@@ -46,7 +46,7 @@ fn main() {
 ```
 
 4. 🌟
-```rust, editable
+```rust,editable
 
 fn main() {
     let f = true;

zh-CN/src/generics-traits/traits.md

@@ -333,7 +333,7 @@ fn main() {
 当使用泛型参数时，我们往往需要为该参数指定特定的行为，这种指定方式就是通过特征约束来实现的。
 
 7. 🌟🌟
-```rust, editable
+```rust,editable
 fn main() {
     assert_eq!(sum(1, 2), 3);
 }

zh-CN/src/ownership/ownership.md

@@ -63,7 +63,7 @@ fn print_str(s: String)  {
 ```
 
 5. 🌟🌟 
-```rust, editable
+```rust,editable
 // 不要使用 clone，使用 copy 的方式替代
 fn main() {
     let x = (1, 2, (), "hello".to_string());