diff --git a/src/utils/tool.ts b/src/utils/tool.ts
index 72f8581..2a5e493 100644
--- a/src/utils/tool.ts
+++ b/src/utils/tool.ts
@@ -1,54 +1,79 @@
 export function firstCharToLowerCase(obj: any) {
-  return Object.entries(obj).reduce((o: { [key: string]: any }, [key, value]) => {
-    o[`${key[0].toLocaleLowerCase()}${key.slice(1)}`] = value;
-    return o;
-  },{});
+  return Object.entries(obj).reduce(
+    (o: { [key: string]: any }, [key, value]) => {
+      o[`${key[0].toLocaleLowerCase()}${key.slice(1)}`] = value;
+      return o;
+    },
+    {},
+  );
 }
 
 export function firstCharToUpperCase(obj) {
-  return Object.entries(obj).reduce((o: { [key: string]: any }, [key, value]) => {
-    o[`${key[0].toLocaleUpperCase()}${key.slice(1)}`] = value;
-    return o;
-  },{});
+  return Object.entries(obj).reduce(
+    (o: { [key: string]: any }, [key, value]) => {
+      o[`${key[0].toLocaleUpperCase()}${key.slice(1)}`] = value;
+      return o;
+    },
+    {},
+  );
 }
 
 export const isReqSuccess = (res: any) => res.code === 0 || res.Code === 0;
 
-
 class RequestHandler {
   constructor(public response: API.ResponseData<any>) {
     this.response = response;
   }
   success(f: () => void) {
     const res = this.response;
-    if (!res.success) { return this; }
-    if (!isReqSuccess(res)) { return this; }
+    if (!res.success) {
+      return this;
+    }
+    if (!isReqSuccess(res)) {
+      return this;
+    }
     f();
     return this;
   }
   error(f: () => void) {
     const res = this.response;
-    if (!res.success) { return this; }
-    if (isReqSuccess(res)) { return this; }
+    if (!res.success) {
+      return this;
+    }
+    if (isReqSuccess(res)) {
+      return this;
+    }
     f();
     return this;
   }
   httpError(f: () => void) {
     const res = this.response;
-    if (res.success) { return this; }
+    if (res.success) {
+      return this;
+    }
     f();
     return this;
   }
 }
 
-export const handleRequest = (res: API.ResponseData<any>) => new RequestHandler(res);
+export const handleRequest = (res: API.ResponseData<any>) =>
+  new RequestHandler(res);
 
-export function errorReponse(message: string, code = 'err'): API.ResponseData<null> {
+export function errorReponse(
+  message: string,
+  code = 'err',
+): API.ResponseData<null> {
   return {
     code,
     data: null,
     success: true,
     requestIsSuccess: false,
     message,
-  }
-}
\ No newline at end of file
+  };
+}
+
+export const isValidPhone = (phone: string) =>
+  new RegExp(/^1\d{10}$/).test(phone);
+export const passwordReg = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[\S]{8,16}$/;
+export const isValidPassword = (maybePassword: string) =>
+  new RegExp(passwordReg).test(maybePassword);