fix

src/main/resources/mapper/TaStudentMapper.xml

           AND t.phone LIKE CONCAT( '%', #{phone}, '%' )
         </if>
         <if test="studentNo != null and studentNo != ''">
-          AND t.student_no = LIKE CONCAT( '%', #{studentNo}, '%' )
+          AND t.student_no LIKE CONCAT( '%', #{studentNo}, '%' )
         </if>
         <if test="schoolId != null and schoolId != ''">
           AND t.school_id = #{schoolId}