改bug

Signed-off-by: guoWenHao <2532478980@qq.com>

teacher-serve/src/main/resources/mapper/TeacherMapper.xml

@@ -34,10 +34,10 @@
                     image= #{image},
                 </if>
                 <if test="graduateCourse != null">
-                    gradaute_course= #{gradauteCourse},
+                    graduate_course= #{graduateCourse},
                 </if>
                 <if test="undergraduateCourse != null">
-                    undergradaute_course= #{undergradauteCourse},
+                    undergraduate_course= #{undergraduateCourse},
                 </if>
                 <if test="email != null">
                     email= #{email},
@@ -46,7 +46,7 @@
                     phone_number= #{phoneNumber},
                 </if>
                 <if test="researchField != null">
-                    research_field = #{researchField}
+                    research_field = #{researchField},
                 </if>
                 <if test="researchField != null">
                     awards = #{awards}