fix: remove confusing characters

Author: sheepzh

src/service/limit-service/verification/generator/ugly.ts

@@ -9,7 +9,7 @@ import { range } from "@util/array"
 import { randomIntBetween } from "@util/number"
 import type { VerificationContext, VerificationGenerator, VerificationPair } from "../common"
 
-const BASE = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\`-=[]/.,:\"<>?!@#$%^&*()_+;'"
+const BASE = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\`-=[]/.,:\"<>?!@#$%^&*()_+;'".replaceAll(/[01IlLOo]/g, "")
 const BASE_LEN = BASE.length
 
 class UglyGenerator implements VerificationGenerator {