diff --git a/excel/read.go b/excel/read.go
index f49f408..d12094b 100644
--- a/excel/read.go
+++ b/excel/read.go
@@ -140,5 +140,35 @@ func (r *Read) ExtractAssignCol(colIndexList []int) (map[string][][]string, erro
 //
 // Date : 4:53 下午 2021/11/19
 func (r *Read) ExtractAssignColToMap(ruleTable map[int]string) (map[string][]map[string]string, error) {
-	return nil, nil
+	var (
+		allData      map[string][][]string
+		err          error
+		formatResult map[string][]map[string]string
+	)
+	formatResult = make(map[string][]map[string]string)
+	if allData, err = r.GetAllData(); nil != err {
+		return nil, err
+	}
+	for sheetName, sheetData := range allData {
+		formatResult[sheetName] = make([]map[string]string, 0)
+		for _, lineData := range sheetData {
+			tmpResult := make(map[string]string)
+			for idx, colData := range lineData {
+				colName, exist := ruleTable[idx]
+				if !exist {
+					// 当前字段不需要提取
+					continue
+				}
+				tmpResult[colName] = colData
+			}
+			for _, colName := range ruleTable {
+				if _, exist := tmpResult[colName]; !exist {
+					tmpResult[colName] = ""
+				}
+			}
+			formatResult[sheetName] = append(formatResult[sheetName], tmpResult)
+		}
+	}
+	// 格式化数据
+	return formatResult, nil
 }