BP神经网络预测导出的图片，这样是正确的吗？

 绿色表示实际值，红色表示预测值

过拟合了好像

// 用户名转成小写对比
    handleLowercase(itemUserName, userName) {
      let itemName = itemUserName && itemUserName.toLowerCase();
      let uName = userName && userName.toLowerCase();
      if (itemName === uName) {
        return true;
      } else {
        return false;
      }
    },
    // 关注问题【主动】
    focusClick: _.debounce(function () {
      window.csdn.report.reportClick({ spm: "3001.5819" });
      if (!this.UserName) {
        window.csdn.loginBox.show();
        return false;
      }
      let paramsData = {
        username: this.UserName,
        questionId: this.questionData.id,
        status: this.isFocused ? 0 : 1,
      };
      this.focusAction(paramsData)
        .then((res) => {
          if (res.code === 200) {
            this.$message({
              message: this.isFocused ? "问题取消关注成功~" : "问题关注成功~",
              type: "success",
              offset: 40,
            });
            this.isFocused = !this.isFocused;

            // 关注成功操作触发微信公众号弹出操作
            if (this.isFocused) {
              setTimeout(() => {
                // this.weChatOAShow = true
                this.subTitle = "问题有新的动态会在第一时间通知您";
                this.footerTips = "";
                this.getWeChatImg(5);
              }, 1000);
            }

            this.$forceUpdate();
          } else {
            this.$message({
              message:
                res.message ||
                (this.isFocused ? "问题取消关注失败~" : "问题关注失败~"),
              type: "warning",
              offset: 40,
            });
          }
        })
        .catch((err) => {
          this.$message({
            message: err.message || "请求异常~",
            type: "warning",
            offset: 40,
          });
        });
    }, 1000),