diff --git a/ucColorText/ucColorText.vue b/ucColorText/ucColorText.vue
index 442a765..d4905d1 100644
--- a/ucColorText/ucColorText.vue
+++ b/ucColorText/ucColorText.vue
@@ -52,14 +52,14 @@ export default {
       }
       return []
     },
-    address2colorB64u(address){ // TIC address should be in b64u format, i.e. base64 for url (+ to -, / to _)
-      if (/^[0-9a-zA-Z\-_]+$/.test(address)){
+    address2colorB64u(address){ // TIC address should be in b64u format, i.e. base64 for url (+ to ., / to _)
+      if (/^[0-9a-zA-Z\._]+$/.test(address)){
         // TIC地址被精心设计为24字节，32个b64字符，不需要填充
         // let len=address.length
         // let rest = len % 4
         // let fullLength = len + (4-(rest?rest:4))
         // address = address.padEnd(fullLength, 'A') // 在 b64 里，'00'字节是A. 
-        let colorArray = address.match(/[0-9A-Za-z\-_]{4}/g)
+        let colorArray = address.match(/[0-9A-Za-z\._]{4}/g)
         switch(this.block){
           case "2": colorArray.splice(1, colorArray.length-2)
           case "4": colorArray.splice(2, colorArray.length-4)
@@ -72,8 +72,8 @@ export default {
       return []
     },
     b64u2hex(b64u){
-      if (/^[0-9a-zA-Z\-_]+$/.test(b64u)){
-        let b64 = b64u.replace(/\-/g, '+').replace(/_/g, '/')
+      if (/^[0-9a-zA-Z\._]+$/.test(b64u)){
+        let b64 = b64u.replace(/\./g, '+').replace(/_/g, '/')
         return Buffer.from(b64, 'base64').toString('hex')
       }
       return null