diff --git a/src/views/match/manage/Steps/Step3ProjectConfig.vue b/src/views/match/manage/Steps/Step3ProjectConfig.vue
index 3661f79..39ae79e 100644
--- a/src/views/match/manage/Steps/Step3ProjectConfig.vue
+++ b/src/views/match/manage/Steps/Step3ProjectConfig.vue
@@ -155,7 +155,13 @@
 					{{ scope.row.projectTypeName }}
 				</template>
 				<template #completionCount="scope">
-					{{ scope.row.completionCount }}
+					<template v-if="scope.row.completionCountDisplay">{{ scope.row.completionCountDisplay }}</template>
+					<template v-else-if="scope.row.completionCountType === 1">
+						{{ scope.row.completionCountMin ?? 0 }}-{{ scope.row.completionCountMax ?? 0 }}人
+					</template>
+					<template v-else>
+						{{ scope.row.completionCount ?? 0 }}人
+					</template>
 				</template>
 			</ProTable>
 			<template #footer>
diff --git a/src/views/match/project/index.vue b/src/views/match/project/index.vue
index 70d63f0..b1a0d34 100644
--- a/src/views/match/project/index.vue
+++ b/src/views/match/project/index.vue
@@ -18,7 +18,13 @@
 			</template>
 
 			<template #completionCount="scope">
-				{{ scope.row.completionCount }}
+				<span v-if="scope.row.completionCountDisplay">{{ scope.row.completionCountDisplay }}</span>
+				<span v-else-if="scope.row.completionCountType === 1">
+					{{ scope.row.completionCountMin }}-{{ scope.row.completionCountMax }}人
+				</span>
+				<span v-else>
+					{{ scope.row.completionCount ?? 0 }}
+				</span>
 			</template>
 
 			<template #action="scope">
@@ -54,11 +60,28 @@
 					</el-select>
 				</el-form-item>
 
-				<!-- 完成人数 -->
-				<el-form-item label="完成人数：" prop="completionCount">
+				<!-- 完成人数模式切换 -->
+				<el-form-item label="完成人数模式：" prop="completionCountType">
+					<el-radio-group v-model="formData.completionCountType" @change="onCompletionCountTypeChange">
+						<el-radio :value="0">单一值</el-radio>
+						<el-radio :value="1">范围值</el-radio>
+					</el-radio-group>
+				</el-form-item>
+
+				<!-- 单一值模式：完成人数 -->
+				<el-form-item v-if="formData.completionCountType === 0" label="完成人数：" prop="completionCount">
 					<el-input-number v-model="formData.completionCount" placeholder="请输入完成人数" :min="0" :step="1" style="width: 100%"></el-input-number>
 				</el-form-item>
 
+				<!-- 范围值模式：最小和最大完成人数 -->
+				<el-form-item v-if="formData.completionCountType === 1" label="完成人数范围：" prop="completionCountRange">
+					<div style="display: flex; align-items: center; gap: 12px; width: 100%">
+						<el-input-number v-model="formData.completionCountMin" placeholder="最小值" :min="0" :step="1" style="width: 200px"></el-input-number>
+						<span style="color: #606266">~</span>
+						<el-input-number v-model="formData.completionCountMax" placeholder="最大值" :min="0" :step="1" style="width: 200px"></el-input-number>
+					</div>
+				</el-form-item>
+
 				<!-- 组别 -->
 				<div>
 					<el-form-item style="display: none;" prop="groups">
@@ -146,11 +169,28 @@
 					</el-select>
 				</el-form-item>
 
-				<!-- 完成人数 -->
-				<el-form-item label="完成人数：">
+				<!-- 完成人数模式 -->
+				<el-form-item label="完成人数模式：">
+					<el-radio-group v-model="detailData.completionCountType" disabled>
+						<el-radio :value="0">单一值</el-radio>
+						<el-radio :value="1">范围值</el-radio>
+					</el-radio-group>
+				</el-form-item>
+
+				<!-- 单一值模式：完成人数 -->
+				<el-form-item v-if="detailData.completionCountType === 0" label="完成人数：">
 					<el-input-number v-model="detailData.completionCount" disabled :min="0" :step="1" style="width: 100%"></el-input-number>
 				</el-form-item>
 
+				<!-- 范围值模式：最小和最大完成人数 -->
+				<el-form-item v-if="detailData.completionCountType === 1" label="完成人数范围：">
+					<div style="display: flex; align-items: center; gap: 12px; width: 100%">
+						<el-input-number v-model="detailData.completionCountMin" disabled :min="0" :step="1" style="width: 200px"></el-input-number>
+						<span style="color: #606266">~</span>
+						<el-input-number v-model="detailData.completionCountMax" disabled :min="0" :step="1" style="width: 200px"></el-input-number>
+					</div>
+				</el-form-item>
+
 				<!-- 组别 -->
 				<div class="detail-groups-section">
 					<el-form-item :label="'组别' + (index + 1) + '：'"
@@ -243,7 +283,10 @@ const removeGroup = (index) => {
 const formData = ref({
 	name: '',
 	projectType: '',
+	completionCountType: 0, // 0=单一值, 1=范围值
 	completionCount: '',
+	completionCountMin: '',
+	completionCountMax: '',
 	fee: '',
 	durationMinutes: '',
 	durationSeconds: '',
@@ -257,6 +300,18 @@ const formData = ref({
 	],
 });
 
+// 模式切换处理
+const onCompletionCountTypeChange = () => {
+	if (formData.value.completionCountType === 0) {
+		// 切换到单一值模式，清空范围值字段
+		formData.value.completionCountMin = '';
+		formData.value.completionCountMax = '';
+	} else {
+		// 切换到范围值模式，清空单一值字段
+		formData.value.completionCount = '';
+	}
+};
+
 const validateDuration = (rule, value, callback) => {
 	const minutes = Number(formData.value.durationMinutes ?? 0);
 	const seconds = Number(formData.value.durationSeconds ?? 0);
@@ -292,10 +347,41 @@ const validateGroups = (rule, value, callback) => {
 	callback();
 };
 
+// 验证完成人数
+const validateCompletionCount = (rule, value, callback) => {
+	if (formData.value.completionCountType === 0) {
+		// 单一值模式
+		if (formData.value.completionCount === '' || formData.value.completionCount === null || formData.value.completionCount === undefined) {
+			callback(new Error('请输入完成人数'));
+		} else if (Number(formData.value.completionCount) < 0) {
+			callback(new Error('完成人数不能小于0'));
+		} else {
+			callback();
+		}
+	} else {
+		// 范围值模式
+		const min = formData.value.completionCountMin;
+		const max = formData.value.completionCountMax;
+		if (min === '' || min === null || min === undefined) {
+			callback(new Error('请输入最小值'));
+		} else if (max === '' || max === null || max === undefined) {
+			callback(new Error('请输入最大值'));
+		} else if (Number(min) < 0 || Number(max) < 0) {
+			callback(new Error('完成人数不能小于0'));
+		} else if (Number(min) > Number(max)) {
+			callback(new Error('最小值不能大于最大值'));
+		} else {
+			callback();
+		}
+	}
+};
+
 const formRules = ref({
 	name: [{ required: true, message: '请输入项目名称', trigger: 'blur' }],
 	projectType: [{ required: true, message: '请选择项目类型', trigger: 'change' }],
-	completionCount: [{ required: true, message: '请输入完成人数', trigger: 'blur' }],
+	completionCountType: [{ required: true, message: '请选择完成人数模式', trigger: 'change' }],
+	completionCount: [{ required: true, validator: validateCompletionCount, trigger: ['blur', 'change'] }],
+	completionCountRange: [{ required: true, validator: validateCompletionCount, trigger: ['blur', 'change'] }],
 	fee: [{ required: true, message: '请输入费用', trigger: 'blur' }],
 	duration: [
 		{ required: true, validator: validateDuration, trigger: ['blur', 'change'] }
@@ -358,7 +444,10 @@ const onOpenMenu = async (row) => {
 	formData.value = {
 		name: '',
 		projectType: '',
+		completionCountType: 0, // 默认为单一值模式
 		completionCount: '',
+		completionCountMin: '',
+		completionCountMax: '',
 		fee: '',
 		durationMinutes: '',
 		durationSeconds: '',
@@ -374,6 +463,10 @@ const onOpenMenu = async (row) => {
 	if (row) {
 		const { succeeded, data } = await projectDetailGet({ id: row.id });
 		formData.value = data;
+		// 确保 completionCountType 字段存在（向后兼容：旧数据默认为单一值模式）
+		if (formData.value.completionCountType === null || formData.value.completionCountType === undefined) {
+			formData.value.completionCountType = 0;
+		}
 		// 确保 groups 数组存在且有效
 		if (!formData.value.groups || !Array.isArray(formData.value.groups)) {
 			formData.value.groups = [
@@ -414,6 +507,11 @@ const onOpenMenu = async (row) => {
 const onViewDetail = async (row) => {
 	const { succeeded, data } = await projectDetailGet({ id: row.id });
 	if (succeeded) {
+		// 确保 completionCountType 字段存在（向后兼容：旧数据默认为单一值模式）
+		if (data.completionCountType === null || data.completionCountType === undefined) {
+			data.completionCountType = 0;
+		}
+
 		// 确保 groups 数组存在且有效，并格式化日期
 		let groupsData = [];
 		if (data.groups && Array.isArray(data.groups)) {
@@ -489,7 +587,15 @@ const onSubmit = () => {
 
 		try {
 			let res;
-			formData.value.completionCount = Number(formData.value.completionCount);
+			// 根据模式处理完成人数字段
+			if (formData.value.completionCountType === 0) {
+				// 单一值模式
+				formData.value.completionCount = Number(formData.value.completionCount);
+			} else {
+				// 范围值模式
+				formData.value.completionCountMin = Number(formData.value.completionCountMin);
+				formData.value.completionCountMax = Number(formData.value.completionCountMax);
+			}
 			if (formData.value.id) {
 				res = await projectEditPut(formData.value);
 			} else {
diff --git a/src/views/user/registration/index.vue b/src/views/user/registration/index.vue
index 2ec51bd..745c198 100644
--- a/src/views/user/registration/index.vue
+++ b/src/views/user/registration/index.vue
@@ -421,7 +421,15 @@
 									人</div> -->
 								<div class="project-card-type">类型：{{ project.parentProjectTypeName ??
 									project.projectTypeName ?? '' }}</div>
-								<div class="project-card-count">完成人数：{{ project.completionCount ?? 0 }}</div>
+								<div class="project-card-count">完成人数：
+								<template v-if="project.completionCountDisplay">{{ project.completionCountDisplay }}</template>
+								<template v-else-if="project.completionCountType === 1">
+									{{ project.completionCountMin ?? 0 }}-{{ project.completionCountMax ?? 0 }}人
+								</template>
+								<template v-else>
+									{{ project.completionCount ?? 0 }}人
+								</template>
+							</div>
 							</div>
 							<div class="project-card-right">
 								<div v-for="g in (project.groups ?? [])" :key="g.id" class="group-tag"
@@ -473,7 +481,7 @@
 									<span>
 										({{ group.parentProjectTypeName ?? group.projectTypeName ??
 											(group.projectTeamSize > 1 ?
-												'团队' : '个人') }}/{{ group.projectCompletionCount ?? 0 }})
+												'团队' : '个人') }}/{{ group.projectCompletionCountDisplay }})
 										{{ group.projectName }}-{{ group.groupName ?? group.name }}/{{
 											formatGroupDate(group) }}/{{
 											formatGender(group.gender) }}
@@ -1006,13 +1014,29 @@ const formatRefundRulesBrief = (refundRules) => {
 const detailProjectsForDisplay = computed(() => {
 	const list = [];
 	(detailData.value?.projects ?? []).forEach((p) => {
+		// 统一生成完成人数显示文本
+		let completionCountDisplay = '';
+		if (p.completionCountDisplay) {
+			completionCountDisplay = p.completionCountDisplay;
+		} else if (p.completionCountType === 1) {
+			const min = p.completionCountMin ?? 0;
+			const max = p.completionCountMax ?? 0;
+			completionCountDisplay = `${min}-${max}人`;
+		} else {
+			completionCountDisplay = `${p.completionCount ?? 0}人`;
+		}
+
 		(p.groups ?? []).forEach((g) => {
 			list.push({
 				projectName: p.name,
 				groupName: g.groupName,
 				fee: p.fee,
 				limitCount: p.limitCount,
-				completionCount: p.completionCount
+				completionCount: p.completionCount,
+				completionCountType: p.completionCountType ?? 0,
+				completionCountMin: p.completionCountMin,
+				completionCountMax: p.completionCountMax,
+				completionCountDisplay: completionCountDisplay
 			});
 		});
 		// 如果没有组别，只显示项目
@@ -1022,7 +1046,11 @@ const detailProjectsForDisplay = computed(() => {
 				groupName: '-',
 				fee: p.fee,
 				limitCount: p.limitCount,
-				completionCount: p.completionCount
+				completionCount: p.completionCount,
+				completionCountType: p.completionCountType ?? 0,
+				completionCountMin: p.completionCountMin,
+				completionCountMax: p.completionCountMax,
+				completionCountDisplay: completionCountDisplay
 			});
 		}
 	});
@@ -1210,12 +1238,30 @@ const allGroups = computed(() => {
 	const list = [];
 	(projects.value ?? []).forEach((p) => {
 		(p.groups ?? []).forEach((g) => {
+			// 生成完成人数显示文本（统一逻辑，确保前端/后端一致）
+			let completionCountDisplay = '';
+			if (p.completionCountDisplay) {
+				completionCountDisplay = p.completionCountDisplay;
+			} else if (p.completionCountType === 1) {
+				// 范围值模式
+				const min = p.completionCountMin ?? 0;
+				const max = p.completionCountMax ?? 0;
+				completionCountDisplay = `${min}-${max}人`;
+			} else {
+				// 单一值模式
+				completionCountDisplay = `${p.completionCount ?? 0}人`;
+			}
+
 			list.push({
 				...g,
 				projectId: p.id,
 				projectName: p.name,
 				projectTeamSize: p.teamSize ?? 1,
 				projectCompletionCount: p.completionCount ?? 0,
+				projectCompletionCountType: p.completionCountType ?? 0,
+				projectCompletionCountMin: p.completionCountMin ?? 0,
+				projectCompletionCountMax: p.completionCountMax ?? 0,
+				projectCompletionCountDisplay: completionCountDisplay,
 				parentProjectTypeName: p.parentProjectTypeName,
 				projectTypeName: p.projectTypeName,
 				projectType: p.projectType,