|  | @@ -295,6 +295,13 @@ public class CustomTokenServices implements AuthorizationServerTokenServices, Re
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				|  |  |  		return true;
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				|  |  |  	}
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				|  |  |  
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				|  |  | +	public void revokeTokenByPhone(String phone) {
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				|  |  | +		String[] clientIds = new String[] {"system", "student", "teacher","website"};
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				|  |  | +		for (String cId : clientIds) {
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				|  |  | +			revokeToken(cId, phone);
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				|  |  | +		}
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				|  |  | +	}
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				|  |  | +
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				|  |  |  	public boolean revokeToken(String tokenValue) {
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				|  |  |  		OAuth2AccessToken accessToken = tokenStore.readAccessToken(tokenValue);
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				|  |  |  		if (accessToken == null) {
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