签到记录查询，月份小于10，修改bug

ch-dao/src/main/java/com/wwdz/ch/db/dao/SignInShareImageDao.java

@@ -5,4 +5,6 @@ import com.wwdz.ch.db.domain.SignInShareImage;
 public interface SignInShareImageDao {
 
     SignInShareImage findOne();
+
+    void insert(SignInShareImage signInShareImage);
 }

ch-dao/src/main/java/com/wwdz/ch/db/impl/SignInShareImageDaoImpl.java

@@ -19,4 +19,10 @@ public class SignInShareImageDaoImpl implements SignInShareImageDao {
         example.setOrderByClause(" rand()");
         return signInShareImageMapper.selectOneByExample(example);
     }
+
+
+    @Override
+    public void insert(SignInShareImage signInShareImage) {
+        signInShareImageMapper.insert(signInShareImage);
+    }
 }

ch-wx-api/src/main/java/com/wwdz/ch/wx/impl/UserSigninServiceImpl.java

@@ -224,11 +224,13 @@ public class UserSigninServiceImpl implements UserSigninService {
             int year = today.getYear();
             int month = today.getMonthValue();
             if (StringUtils.isEmpty(dto.getYear()) || StringUtils.isEmpty(dto.getMonth())) {
-                dto.setYearMonth(year + "-" + month);
+                // 判断月份并进行格式化
+                String formattedMonth = (month < 10) ? "0" + month : String.valueOf(month);
+                dto.setYearMonth(year + "-" + formattedMonth);
             } else {
                 year = Integer.parseInt(dto.getYear());
                 month = Integer.parseInt(dto.getMonth());
-                dto.setYearMonth(dto.getYear() + "-" + dto.getMonth());
+                dto.setYearMonth(dto.getYear() + "-" + (month < 10 ? "0" + month : String.valueOf(month)));
             }
             resultMap.put("year", year);
             resultMap.put("month", month);