diff --git a/src/pages/exchangecode/product/add copy.js b/src/pages/exchangecode/product/add copy.js
index 5f076076..4245d8b3 100644
--- a/src/pages/exchangecode/product/add copy.js	
+++ b/src/pages/exchangecode/product/add copy.js	
@@ -558,7 +558,7 @@ export default class adduserinfo extends React.Component {
               value={this.state.model.product_name}
               placeholder={'请输入'}
               labelWidth={'0px'}
-              maxLength={16}
+              maxLength={20}
               height={'36px'}
               width={'520px'}
               alignment={'left'}
diff --git a/src/pages/exchangecode/product/add.js b/src/pages/exchangecode/product/add.js
index ccdfa655..d6d2cd84 100644
--- a/src/pages/exchangecode/product/add.js
+++ b/src/pages/exchangecode/product/add.js
@@ -610,7 +610,7 @@ export default class adduserinfo extends React.Component {
               value={this.state.model.product_name}
               placeholder={'请输入'}
               labelWidth={'0px'}
-              maxLength={16}
+              maxLength={20}
               height={'36px'}
               width={'520px'}
               alignment={'left'}
diff --git a/src/pages/plan/key/product/add.js b/src/pages/plan/key/product/add.js
index 68e3f416..e284aba4 100644
--- a/src/pages/plan/key/product/add.js
+++ b/src/pages/plan/key/product/add.js
@@ -304,7 +304,7 @@ export default class adduserinfo extends React.Component {
               value={this.state.model.product_name}
               placeholder={"请输入"}
               labelWidth={"0px"}
-              maxLength={16}
+              maxLength={20}
               height={"36px"}
               width={"520px"}
               alignment={"left"}
diff --git a/src/pages/plan/product/add.js b/src/pages/plan/product/add.js
index e4b4e86b..a748b357 100644
--- a/src/pages/plan/product/add.js
+++ b/src/pages/plan/product/add.js
@@ -616,7 +616,7 @@ export default class adduserinfo extends React.Component {
               value={this.state.model.product_name}
               placeholder={'请输入'}
               labelWidth={'0px'}
-              maxLength={16}
+              maxLength={20}
               height={'36px'}
               width={'520px'}
               alignment={'left'}