diff --git a/src/main/resources/views/platform/zhgh/welfare/select/optionSelect.js b/src/main/resources/views/platform/zhgh/welfare/select/optionSelect.js
index 2cd25a3..3327c49 100644
--- a/src/main/resources/views/platform/zhgh/welfare/select/optionSelect.js
+++ b/src/main/resources/views/platform/zhgh/welfare/select/optionSelect.js
@@ -179,7 +179,7 @@ const optionSelect = {
                                         </el-input>
                                     </el-form-item>
                                 </el-col>
-                                <el-col :span="24">
+                                <el-col :span="24" v-if="projectInfo.signMode === 2">
                                     <el-form-item prop="sign" label="签字">
                                         <pc-signature v-model="contactForm.userSign"></pc-signature>
                                     </el-form-item>
@@ -387,7 +387,9 @@ const optionSelect = {
             this.selectedRadioId = null
             this.contactForm = {
                 mobile: "",
-                receiveAddress: ""
+                receiveAddress: "",
+                userName: "",
+                userSign: ""
             }
 
             this.getProjectInfo()
@@ -439,6 +441,7 @@ const optionSelect = {
 
                     if (this.userSelection && this.userSelection.length > 0) {
                         this.contactForm.mobile = this.userSelection[0]?.mobile
+                        this.$set(this.contactForm, "userSign", this.userSelection[0]?.userSign || "")
                     } else {
                         if (this.isProxySelect) {
                             // 否则使用默认手机号
@@ -494,6 +497,11 @@ const optionSelect = {
                 if (!valid) {
                     return
                 }
+                // 仅“需要签字”时校验签字，避免默认“不签字”的项目仍展示或提交签字字段
+                if (this.projectInfo.signMode === 2 && !this.contactForm.userSign) {
+                    this.$message.warning("请签字")
+                    return
+                }
 
                 if (this.isSubmitting) return
                 this.isSubmitting = true
@@ -509,7 +517,7 @@ const optionSelect = {
                                 selectNum: 1,
                                 mobile: this.contactForm.mobile,
                                 userName: this.contactForm.userName,
-                                userSign: this.contactForm.userSign,
+                                userSign: this.projectInfo.signMode === 2 ? this.contactForm.userSign : "",
                                 receiveAddress: this.contactForm.receiveAddress
                             }
                         ]
@@ -522,7 +530,7 @@ const optionSelect = {
                         selectNum: option.selectNum,
                         mobile: this.contactForm.mobile,
                         userName: this.contactForm.userName,
-                        userSign: this.contactForm.userSign,
+                        userSign: this.projectInfo.signMode === 2 ? this.contactForm.userSign : "",
                         receiveAddress: this.contactForm.receiveAddress
                     }))
                 }