diff --git a/contracts/DODOStablePool/impl/DSPFunding.sol b/contracts/DODOStablePool/impl/DSPFunding.sol
index 9c1c47b..dbda0cf 100644
--- a/contracts/DODOStablePool/impl/DSPFunding.sol
+++ b/contracts/DODOStablePool/impl/DSPFunding.sol
@@ -44,6 +44,7 @@ contract DSPFunding is DSPVault {
         // But May Happen，reserve >0 But totalSupply = 0
         if (totalSupply == 0) {
             // case 1. initial supply
+            require(quoteBalance > 0, "ZERO_QUOTE_AMOUNT");
             shares = quoteBalance < DecimalMath.mulFloor(baseBalance, _I_)
                 ? DecimalMath.divFloor(quoteBalance, _I_)
                 : baseBalance;