fix: placeholder

src/config/api.js

@@ -139,7 +139,7 @@ export const BUILTIN_STONES = [
   "concise", // 简明风格
 ];
 export const BUILTIN_PLACEHOLDERS = ["{ }", "{{ }}", "[ ]", "[[ ]]"];
-export const BUILTIN_PLACETAGS = ["i", "a", "x", "span"];
+export const BUILTIN_PLACETAGS = ["i", "a", "b", "x"];
 
 export const OPT_LANGS_TO = [
   ["en", "English - English"],

src/views/Options/Apis.js

@@ -641,7 +641,7 @@ function ApiFields({ apiSlug, isUserApi, deleteApi }) {
                 >
                   {BUILTIN_PLACETAGS.map((item) => (
                     <MenuItem key={item} value={item}>
-                      {`<${item}N>`}
+                      {`<${item}>`}
                     </MenuItem>
                   ))}
                 </TextField>