修改政府端前端，银行端小程序和后端接口

bank-backend/models/User.js

@@ -16,6 +16,9 @@ class User extends BaseModel {
    */
   async validPassword(password) {
     try {
+      if (!password || !this.password) {
+        return false;
+      }
       const bcrypt = require('bcryptjs');
       return await bcrypt.compare(password, this.password);
     } catch (error) {
@@ -178,12 +181,12 @@ User.init({
   updatedAt: 'updated_at',
   hooks: {
     beforeCreate: async (user) => {
-      if (user.password) {
+      if (user.password && !user.password.startsWith('$2a$')) {
         user.password = await bcrypt.hash(user.password, 10);
       }
     },
     beforeUpdate: async (user) => {
-      if (user.changed('password')) {
+      if (user.changed('password') && user.password && !user.password.startsWith('$2a$')) {
         user.password = await bcrypt.hash(user.password, 10);
       }
     }